Family: William Thomas Petty Fitzmaurice / Augusta Lavinia Priscilla Ponsonby

Paternal line William Thomas Petty Fitzmaurice

No parents are registered.

Paternal line Augusta Lavinia Priscilla Ponsonby
Sir John William(4th Earl of Bessborough) Ponsonby 1781 - 1847  (65 years)	_	MARIA FANE 1787 - 1834  (46 years)
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Fredrick (3rd Earl Bessbrough) Ponsonby 1758 - 1844  (86 years)	_	Henrietta Spencer 1761 - 1821  (60 years)
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William (2nd Earl of Bessborogh) Ponsonby 1704 - 1793  (89 years)	_	Caroline Cavendish 1719 - 1760  (40 years)
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Brabazon (1st Earl of Besborough and Viscount duncannon) Ponsonby 1685 - 1758  (73 years)	_	Sarah Margetson 1689 - 1733  (44 years)