Susannah married Thomas, ( 1st Earl of Aylesbury ) Brudenell-Bruce on 17 Feb 1761. Thomas, (son of George (3rd Earl cardigan ) Brudenell and Elizabeth Bruce) was born on 30 April 1729 in London, St. Jame's, City of Westminster, Greater London, England.; died on 19 April 1814 in London, Seamore Place, Mayfair, City of London, England. [Group Sheet] [Family Chart]

1. George Brudenell Bruce was born in 1762 in Wiltshire, England; died in 1783.
2. Charles Hon Brudenell Bruce was born on 7 Mar 1767; died on 22 Jan 1768.
3. Charles(1st Marquess of Aylesbury) Brudenell-Bruce was born on 14 Feb 1773 in Mayfair, London, England; died on 4 Jan 1856 in Great Bedwin, Wiltshire, England.
4. Caroline Anne Brudenell Bruce was born in 1774 in Wiltshire, England; died in 1824.
5. Frances Elizabeth Brudenell Bruce was born in 1775 in Wiltshire, England; died in 1836 in England.