William 3rd Earl Fitzwilliam (1719- ) |
Anne Watson-Wentworth ( -1769) |
William (2nd Earl of Bessborough) Ponsonby (1704-1793) |
Caroline (of Devonshire) Cavendish (1719-1760) |
Frederich (3rd Earl of Bessborough) Ponsonby (1758-1844) |
Catherine (of Bessborough) Ponsonby ( -1789) |
William 4th Earl Fitzwilliam (1748- ) |