Birth of

William 

O'Brien

(

O'Brien

,

Villiers

) 1666 - 1719, 1666

• Child:
  William 
  O'Brien
  (
  O'Brien
  ,
  Villiers
  ) 1666 - 1719
• Father:
  William 
  O'Brien
  (
  Boyle
  ) 1640 - 1692
• Mother:
  Margaret 

  Boyle

  (

  O'Brien

  ) + post 1666