Family: William Fitzwilliam, 4th. Earl Fitzwilliam / Lady Charlotte Ponsonby (F2393)
m. 10 Jul 1770-
Father | Male
William Fitzwilliam, 4th. Earl Fitzwilliam
Born 30 May 1748 Milton House, Peterborough, Northamptonshire, England 
Died 8 Feb 1833 Milton House, Peterborough, Northamptonshire, England Buried 24 Feb 1833 Marholm, Northamptonshire, England Married 10 Jul 1770 [1, 2] St. George's, Hanover Sq. Middlesex, England [1, 2] Other Spouse Hon. Louisa Molesworth | F2394 Married 21 Jul 1823 Bishopscourt, County Kildare, Ireland Father William Fitzwilliam, 3rd. Earl Fitzwilliam | F2396 Group Sheet Mother Lady Ann Watson-Wentworth | F2396 Group Sheet
Mother | Female
Lady Charlotte Ponsonby
Born Abt 1750 Died 13 May 1822 Buried Father William Ponsonby, 2nd. Earl of Bessborough | F3449 Group Sheet Mother Caroline Cavendish | F3449 Group Sheet
Child 1 | Male
+ Charles William Fitzwilliam, 5th. Earl Fitzwilliam
Born 4 May 1786 Grosvenor Sq. London, England Died 4 Oct 1857 Wentworth, Yorkshire, England Buried Spouse Mary Dundas | F2392 Married 8 Jul 1806
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