1851 (UK) Census Entry for Portobells House, Mortlake, Richmond, Surrey, , England

• Head of household:
  Constantia 
  Slaughter
  (
  Mostyn
  ) 1808 - 1872
• Daughter:
  Constantia 
  Mostyn
  1829 - post 1851
• Daughter:
  Winifred 
  Mostyn
  (
  Simpson
  ) post 1826 - 1898
• Daughter:
  Teresa 
  Mostyn
  (
  Whitgreave
  ) 1832 - 1873
• Daughter:
  Agnes 
  Mostyn
  1839 - post 1851