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>
The Earliest Ancestors of
Piers
Power
++++++++
[1]
David
Poer
(
Poer
)
liv. 1370
+++++++-+
[2]
Nicholas (de)
Poer
+ post 1392
+++++-++++++++++++
[3]
Walter
Malet
liv. 1088
+++++-++++++++++-+
[4]
M/? (a)
Becket
+++++-+++++++++-+
[5]
Theobald
de Volaines
+++++-++++++++-+
[6]
Robert
Le Vavasour
+++++-+++++++-+
[7]
M/?
Marreis
+++++-++++++-+
[8]
Sir
Richard (the Great)
de Burgh
(
de Lacy
)
+ 1243
+++++-+++++-++
[9]
Geoffrey
FitzPiers
c. 1182 - 1213
+++++-++++-+++++++
[10]
Sir
?
Other
liv. 1045
+++++-++++-+++++-+
[11]
Rhys
ap Tewdwr Mawr
(
?
)
+++++-++++-++++-+
[12]
Arnulf
de Montgomery
+++++-++++-+++-+
[13]
Robert (de)
Bermingham
+++++-++++-++-+
[14]
Sir
John
de Cogan
(
Prendergast
)
+ 1278
+++++-++++-++--
[15]
Marie (de)
Prendergast
(
de Cogan
)
* ante 1252
+++++-++++--+
[16]
John (de la)
Roche
+++++-+++-+++++
[17]
Humphrey
de Bohun
(
?
)
+ 1182
+++++-+++-++++-
[18]
Margaret
?
of Huntingdon
(
,
de Bohun
)
+ post 1176
+++++-+++--
[19]
Elisabeth
d'Anjou-Plantagenet
(
Holland
,
de Bohun
)
1282 - c. 1316
+++++-++-+
[20]
Sir
John
D'Arcy
(
Heron
,
de Burgh
)
+ 1347
+++++-++--++
[21]
Walter
de Burgh
(
FitzJohn
)
c. 1230 - 1271
+++++-++--+-++
[22]
Geoffrey
FitzPeter
(
de Clare
)
+++++-++--+-+-
[23]
Aveline
de Clare
(
FitzPeter
)
+++++-++--+--+
[24]
Hugh
Le Bigod
(
Marshall
)
+++++-++--+---
[25]
Maud
Marshall
(
Le Bigod
)
+++++-++---++++
[26]
Reyner
de Burgh
+ post 1175
+++++-++----++
[27]
Hugh
de Balliol
+++++-++-----
[28]
Devorguilla (of)
Galloway
(
de Balliol
)
c. 1213 - 1290
+++++-+-
[29]
Anne (de)
Welles
(
Butler
)
+ c. 1399
+++++--+
[30]
Gildas
O'Reilly
++++-++++++++++++
Sir
?
Other
liv. 1045
(2nd 10)
++++-++++++++++-+
Rhys
ap Tewdwr Mawr
(
?
)
(2nd 11)
++++-+++++++++-+
Arnulf
de Montgomery
(2nd 12)
++++-++++++++-+
Robert (de)
Bermingham
(2nd 13)
++++-+++++++-+
Sir
John
de Cogan
(
Prendergast
)
+ 1278
(2nd 14)
++++-+++++++--
Marie (de)
Prendergast
(
de Cogan
)
* ante 1252
(2nd 15)
++++-+++++-+
John (de la)
Roche
(2nd 16)
++++-++++-++
Walter
de Burgh
(
FitzJohn
)
c. 1230 - 1271
(2nd 21)
++++-++++-+-++
Geoffrey
FitzPeter
(
de Clare
)
(2nd 22)
++++-++++-+-+-
Aveline
de Clare
(
FitzPeter
)
(2nd 23)
++++-++++-+--+
Hugh
Le Bigod
(
Marshall
)
(2nd 24)
++++-++++-+---
Maud
Marshall
(
Le Bigod
)
(2nd 25)
++++-++++--++++
Reyner
de Burgh
+ post 1175
(2nd 26)
++++-++++---++
Hugh
de Balliol
(2nd 27)
++++-++++----
Devorguilla (of)
Galloway
(
de Balliol
)
c. 1213 - 1290
(2nd 28)
++++-+++-+
[31]
Sir
Bartholemew
Burghersh
++++-++-
[32]
Margaret
de la Herne
(
FitzGerald
)
+-++
[33]
John FitzJohn
Barry
+ c. 1534
+--+
[34]
Teig MacCormac oge
MacCartie
-++++++++++++++++++
Walter
Malet
liv. 1088
(2nd 3)
-++++++++++++++++-+
M/? (a)
Becket
(2nd 4)
-+++++++++++++++-+
Theobald
de Volaines
(2nd 5)
-++++++++++++++-+
Robert
Le Vavasour
(2nd 6)
-+++++++++++++-+
M/?
Marreis
(2nd 7)
-++++++++++++-+
Sir
Richard (the Great)
de Burgh
(
de Lacy
)
+ 1243
(2nd 8)
-+++++++++++-++
Geoffrey
FitzPiers
c. 1182 - 1213
(2nd 9)
-++++++++++-+++++++
Sir
?
Other
liv. 1045
(3rd 10)
-++++++++++-+++++-+
Rhys
ap Tewdwr Mawr
(
?
)
(3rd 11)
-++++++++++-++++-+
Arnulf
de Montgomery
(3rd 12)
-++++++++++-+++-+
Robert (de)
Bermingham
(3rd 13)
-++++++++++-++-+
Sir
John
de Cogan
(
Prendergast
)
+ 1278
(3rd 14)
-++++++++++-++--
Marie (de)
Prendergast
(
de Cogan
)
* ante 1252
(3rd 15)
-++++++++++--+
John (de la)
Roche
(3rd 16)
-+++++++++-+++++
Humphrey
de Bohun
(
?
)
+ 1182
(2nd 17)
-+++++++++-++++-
Margaret
?
of Huntingdon
(
,
de Bohun
)
+ post 1176
(2nd 18)
-+++++++++--
Elisabeth
d'Anjou-Plantagenet
(
Holland
,
de Bohun
)
1282 - c. 1316
(2nd 19)
-++++++++-+
Sir
John
D'Arcy
(
Heron
,
de Burgh
)
+ 1347
(2nd 20)
-++++++++--++
Walter
de Burgh
(
FitzJohn
)
c. 1230 - 1271
(3rd 21)
-++++++++--+-++
Geoffrey
FitzPeter
(
de Clare
)
(3rd 22)
-++++++++--+-+-
Aveline
de Clare
(
FitzPeter
)
(3rd 23)
-++++++++--+--+
Hugh
Le Bigod
(
Marshall
)
(3rd 24)
-++++++++--+---
Maud
Marshall
(
Le Bigod
)
(3rd 25)
-++++++++---++++
Reyner
de Burgh
+ post 1175
(3rd 26)
-++++++++----++
Hugh
de Balliol
(3rd 27)
-++++++++-----
Devorguilla (of)
Galloway
(
de Balliol
)
c. 1213 - 1290
(3rd 28)
-+++++++-
Anne (de)
Welles
(
Butler
)
+ c. 1399
(2nd 29)
-++++++-+
Gildas
O'Reilly
(2nd 30)
-+++++-+
[35]
Moldrony
O'Carol
Barbatus
-++++-+
[36]
Donel
Kavanagh
-+++-++++++++++++
Sir
?
Other
liv. 1045
(4th 10)
-+++-++++++++++-+
Rhys
ap Tewdwr Mawr
(
?
)
(4th 11)
-+++-+++++++++-+
Arnulf
de Montgomery
(4th 12)
-+++-++++++++-+
Robert (de)
Bermingham
(4th 13)
-+++-+++++++-+
Sir
John
de Cogan
(
Prendergast
)
+ 1278
(4th 14)
-+++-+++++++--
Marie (de)
Prendergast
(
de Cogan
)
* ante 1252
(4th 15)
-+++-+++++-+
John (de la)
Roche
(4th 16)
-+++-++++-++
Walter
de Burgh
(
FitzJohn
)
c. 1230 - 1271
(4th 21)
-+++-++++-+-++
Geoffrey
FitzPeter
(
de Clare
)
(4th 22)
-+++-++++-+-+-
Aveline
de Clare
(
FitzPeter
)
(4th 23)
-+++-++++-+--+
Hugh
Le Bigod
(
Marshall
)
(4th 24)
-+++-++++-+---
Maud
Marshall
(
Le Bigod
)
(4th 25)
-+++-++++--++++
Reyner
de Burgh
+ post 1175
(4th 26)
-+++-++++---++
Hugh
de Balliol
(4th 27)
-+++-++++----
Devorguilla (of)
Galloway
(
de Balliol
)
c. 1213 - 1290
(4th 28)
-+++-+++-+
Sir
Bartholemew
Burghersh
(2nd 46)
-+++-++-
Margaret
de la Herne
(
FitzGerald
)
(2nd 47)
-+++--++
[37]
Sir
Oliver
St John
(
de Beauchamp
)
+ 1437
-+++--+-+++++++
[38]
William
de Beauchamp
(
Mauduit
)
+ post 1237
-+++--+-++++++-+
[39]
William
Mauduit
-+++--+--
[40]
Elizabeth/Edith
Stourton
(
de Beauchamp
)
c. 1384 - 1441
-+++---
[41]
Elizabeth
Scroope
(
St John
)
-++-+
[42]
James
FitzGerald
-+-+
[43]
Cormac
MacCartie
--+++++++++++++++++
Walter
Malet
liv. 1088
(3rd 3)
--+++++++++++++++-+
M/? (a)
Becket
(3rd 4)
--++++++++++++++-+
Theobald
de Volaines
(3rd 5)
--+++++++++++++-+
Robert
Le Vavasour
(3rd 6)
--++++++++++++-+
M/?
Marreis
(3rd 7)
--+++++++++++-+
Sir
Richard (the Great)
de Burgh
(
de Lacy
)
+ 1243
(3rd 8)
--++++++++++-++
Geoffrey
FitzPiers
c. 1182 - 1213
(3rd 9)
--+++++++++-+++++++
Sir
?
Other
liv. 1045
(5th 10)
--+++++++++-+++++-+
Rhys
ap Tewdwr Mawr
(
?
)
(5th 11)
--+++++++++-++++-+
Arnulf
de Montgomery
(5th 12)
--+++++++++-+++-+
Robert (de)
Bermingham
(5th 13)
--+++++++++-++-+
Sir
John
de Cogan
(
Prendergast
)
+ 1278
(5th 14)
--+++++++++-++--
Marie (de)
Prendergast
(
de Cogan
)
* ante 1252
(5th 15)
--+++++++++--+
John (de la)
Roche
(5th 16)
--++++++++-+++++
Humphrey
de Bohun
(
?
)
+ 1182
(3rd 17)
--++++++++-++++-
Margaret
?
of Huntingdon
(
,
de Bohun
)
+ post 1176
(3rd 18)
--++++++++--
Elisabeth
d'Anjou-Plantagenet
(
Holland
,
de Bohun
)
1282 - c. 1316
(3rd 19)
--+++++++-+
Sir
John
D'Arcy
(
Heron
,
de Burgh
)
+ 1347
(3rd 20)
--+++++++--++
Walter
de Burgh
(
FitzJohn
)
c. 1230 - 1271
(5th 21)
--+++++++--+-++
Geoffrey
FitzPeter
(
de Clare
)
(5th 22)
--+++++++--+-+-
Aveline
de Clare
(
FitzPeter
)
(5th 23)
--+++++++--+--+
Hugh
Le Bigod
(
Marshall
)
(5th 24)
--+++++++--+---
Maud
Marshall
(
Le Bigod
)
(5th 25)
--+++++++---++++
Reyner
de Burgh
+ post 1175
(5th 26)
--+++++++----++
Hugh
de Balliol
(5th 27)
--+++++++-----
Devorguilla (of)
Galloway
(
de Balliol
)
c. 1213 - 1290
(5th 28)
--++++++-
Anne (de)
Welles
(
Butler
)
+ c. 1399
(3rd 29)
--+++++-+
Gildas
O'Reilly
(3rd 30)
--++++-+
Moldrony
O'Carol
Barbatus
(2nd 78)
--+++-+
Donel
Kavanagh
(2nd 79)
--++-++++++++++++
Sir
?
Other
liv. 1045
(6th 10)
--++-++++++++++-+
Rhys
ap Tewdwr Mawr
(
?
)
(6th 11)
--++-+++++++++-+
Arnulf
de Montgomery
(6th 12)
--++-++++++++-+
Robert (de)
Bermingham
(6th 13)
--++-+++++++-+
Sir
John
de Cogan
(
Prendergast
)
+ 1278
(6th 14)
--++-+++++++--
Marie (de)
Prendergast
(
de Cogan
)
* ante 1252
(6th 15)
--++-+++++-+
John (de la)
Roche
(6th 16)
--++-++++-++
Walter
de Burgh
(
FitzJohn
)
c. 1230 - 1271
(6th 21)
--++-++++-+-++
Geoffrey
FitzPeter
(
de Clare
)
(6th 22)
--++-++++-+-+-
Aveline
de Clare
(
FitzPeter
)
(6th 23)
--++-++++-+--+
Hugh
Le Bigod
(
Marshall
)
(6th 24)
--++-++++-+---
Maud
Marshall
(
Le Bigod
)
(6th 25)
--++-++++--++++
Reyner
de Burgh
+ post 1175
(6th 26)
--++-++++---++
Hugh
de Balliol
(6th 27)
--++-++++----
Devorguilla (of)
Galloway
(
de Balliol
)
c. 1213 - 1290
(6th 28)
--++-+++-+
Sir
Bartholemew
Burghersh
(3rd 46)
--++-++-
Margaret
de la Herne
(
FitzGerald
)
(3rd 47)
--++--++
Sir
Oliver
St John
(
de Beauchamp
)
+ 1437
(2nd 97)
--++--+-+++++++
William
de Beauchamp
(
Mauduit
)
+ post 1237
(2nd 98)
--++--+-++++++-+
William
Mauduit
(2nd 99)
--++--+--
Elizabeth/Edith
Stourton
(
de Beauchamp
)
c. 1384 - 1441
(2nd 100)
--++---
Elizabeth
Scroope
(
St John
)
(2nd 101)
--+-+
[44]
Theobald
Butler
* ante 1525
---+
[45]
Barnaby
FitzPatrick
(
Butler
)
+ post 1541
45 different people.
0.125
0.125
Sir
Richard
Power
(
Barry
)
c. 1553 - 1607
0.1875
0.0625
Sir
John (Mor/Oge)
Power
(
MacCartie
,
FitzGerald
)
1516 - 1592
0.25
0.0625
Teig MacCormac oge
MacCartie
0.3125
0.0625
Ellen/Eleonor
MacCartie
(
Power
,
Barry
)
0.375
0.0625
John FitzJohn
Barry
+ c. 1534
0.4375
0.0625
James FitzJohn
Barry
(
FitzGerald
,
MacCartie
)
ante 1534 - 1558
0.5
0.0625
Cormac
MacCartie
0.5625
0.0625
Katherine
MacCartie
(
Butler
)
0.625
0.0625
Barnaby
FitzPatrick
(
Butler
)
+ post 1541
0.6875
0.0625
Griezal (Grany)
FitzPatrick
(
Butler
)
0.71875
0.03125
Theobald
Butler
* ante 1525
0.75
0.03125
Eleanor/Elizabeth
Butler
(
Butler
)
* ante 1540
0.78125
0.03125
James
FitzGerald
0.8125
0.03125
Joan
FitzGerald
(
Butler
)
+ post 1532
0.835938
0.0234375
Gerald
FitzGerald
(
Eustace
,
St John
)
+ 1513
0.851562
0.015625
Margaret
FitzGerald
(
Poer
)
+ post 1450
0.867188
0.015625
Donel
Kavanagh
0.882812
0.015625
Pr.
Sabh
MacMorrogh Kavanagh
(
Butler
)
0.898438
0.015625
Elizabeth
Scroope
(
St John
)
0.910156
0.0117188
Margaret
de la Herne
(
FitzGerald
)
0.917969
0.0078125
Sir
Oliver
St John
(
de Beauchamp
)
+ 1437
0.925781
0.0078125
Moldrony
O'Carol
Barbatus
0.933594
0.0078125
Katherine
Carroll
(
Butler
)
0.941406
0.0078125
Richard
Poer
(
Butler
)
ante 1414 - 1483
0.949219
0.0078125
Gildas
O'Reilly
0.957031
0.0078125
Katherine
O'Reilly
(
Butler
)
+ post 1414
0.964844
0.0078125
Anne (de)
Welles
(
Butler
)
+ c. 1399
0.96875
0.00390625
David
Poer
(
Poer
)
liv. 1370
0.972656
0.00390625
Elizabeth/Edith
Stourton
(
de Beauchamp
)
c. 1384 - 1441
0.975586
0.00292969
Sir
Bartholemew
Burghersh
0.978516
0.00292969
Elizabeth
Burghersh
(
FitzGerald
)
0.980469
0.00195312
John
de Beauchamp
(
Stourton
)
ante 1390 - 1412
0.982422
0.00195312
Nicholas (de)
Poer
+ post 1392
0.984375
0.00195312
Elinor
Poer
(
Poer
)
0.986328
0.00195312
Sir
John
D'Arcy
(
Heron
,
de Burgh
)
+ 1347
0.987549
0.0012207
Walter
de Burgh
(
FitzJohn
)
c. 1230 - 1271
0.988525
0.000976562
Roger
de Beauchamp
1362 - 1406
0.989502
0.000976562
John FitzThomas
FitzGerald
(
Roche
)
+ 1316
0.990479
0.000976562
John (de la)
Roche
0.991455
0.000976562
Elizabeth
Roche
(
FitzGerald
)
liv. 1328
0.992432
0.000976562
Elisabeth
d'Anjou-Plantagenet
(
Holland
,
de Bohun
)
1282 - c. 1316
0.993042
0.000610352
John
de Burgh
(
de Balliol
)
+ 1280
0.993652
0.000610352
Devorguilla (of)
Galloway
(
de Balliol
)
c. 1213 - 1290
0.994141
0.000488281
Roger
de Beauchamp
+ 1374
0.994629
0.000488281
Humphrey
de Bohun
(
d'Anjou-Plantagenet
)
1276 - 1322
0.994934
0.000305176
John
de Burgh
* c. 1210
0.995239
0.000305176
Maud
Marshall
(
Le Bigod
)
0.995544
0.000305176
Hugh
Le Bigod
(
Marshall
)
0.99585
0.000305176
Aveline
de Clare
(
FitzPeter
)
0.996155
0.000305176
Geoffrey
FitzPeter
(
de Clare
)
0.99646
0.000305176
Hugh
de Balliol
0.996765
0.000305176
John
de Balliol
(
Galloway
)
+ 1268
0.997009
0.000244141
Roger
de Beauchamp
+ 1380
0.997253
0.000244141
Humphrey
de Bohun
ante 1239 - 1298
0.997498
0.000244141
Joan
FitzGeoffrey
(
Le Botillier
)
+ 1303
0.997742
0.000244141
Marie (de)
Prendergast
(
de Cogan
)
* ante 1252
0.997986
0.000244141
Sir
John
de Cogan
(
Prendergast
)
+ 1278
0.998138
0.000152588
Reyner
de Burgh
+ post 1175
0.998291
0.000152588
Hubert
de Burgh
1175 - 1243
0.998413
0.00012207
Giles
de Beauchamp
+ 1361
0.998535
0.00012207
Humphrey
de Bohun
(
de Lusignan
)
1208 - 1275
0.998657
0.00012207
Geoffrey
FitzPiers
c. 1182 - 1213
0.998779
0.00012207
John
FitzGeoffrey
0.998901
0.00012207
Sir
Richard (the Great)
de Burgh
(
de Lacy
)
+ 1243
0.999023
0.00012207
Margery
de Burgh
(
Le Botillier
)
0.999146
0.00012207
Robert (de)
Bermingham
0.999268
0.00012207
Eve (de)
Bermingham
(
FitzRobert
,
FitzGerald
,
de Marisco
)
+ 1226
0.999329
6.10352e-05
William
de Beauchamp
(
Mauduit
)
+ post 1237
0.99939
6.10352e-05
Margaret
?
of Huntingdon
(
,
de Bohun
)
+ post 1176
0.999451
6.10352e-05
Humphrey
de Bohun
(
?
)
+ 1182
0.999512
6.10352e-05
M/?
Marreis
0.999573
6.10352e-05
Joan
Marreis
(
Le Botillier
)
0.999634
6.10352e-05
Arnulf
de Montgomery
0.999695
6.10352e-05
Alice
de Montgomery
(
FitzGerald
)
0.999725
3.05176e-05
William
Mauduit
0.999756
3.05176e-05
Isabel
Mauduit
(
de Beauchamp
)
+ post 1237
0.999786
3.05176e-05
Rhys
ap Tewdwr Mawr
(
?
)
0.999817
3.05176e-05
Nesta
?
(
FitzGerald
)
0.999847
3.05176e-05
Sir
?
Other
liv. 1045
0.999878
3.05176e-05
Gerald
FitzGerald
(
?
)
+ post 1097
0.999908
3.05176e-05
Robert
Le Vavasour
0.999939
3.05176e-05
Maud
Le Vavasour
(
Le Botillier
,
FitzWarine
)
+ ante 1226
0.999954
1.52588e-05
Theobald
de Volaines
0.999969
1.52588e-05
Mathilde
de Volaines
(
Malet
)
0.999977
7.62939e-06
M/? (a)
Becket
0.999985
7.62939e-06
F/? (a)
Becket
(
Malet
)
0.999992
7.62939e-06
Walter
Malet
liv. 1088
1
7.62939e-06
Hervey
Malet
(
Becket
)
liv. 1135
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