Susanna married 1st Marquess of Stafford, Granville Leveson-Gower on 25 May 1768 in London. Granville was born on 04 Aug 1721; died on 26 Oct 1803 in Trentham Hall, Staffordshire; was buried on 02 Nov 1803 in St. Mary and All Saints,Trentham, Staffordshire. [Group Sheet] [Family Chart]

1. Georgiana Augusta Leveson-Gower was born on 13 Apr 1769 in Earl Gower's House in Whitehall, London; was christened on 14 May 1769 in St. Martin in the Fields, Westminster, London; died on 24 Mar 1806 in Madeira; was buried on 05 May 1806 in Eliot Family Vault, Old Cemetery, St. Germans, Cornwall.
2. Duchess of Beaufort Charlotte Sophia Leveson-Gower was born on 11 Jan 1771 in Earl Gower's House in Whitehall, London; died on 12 Aug 1854 in Westbrook Hay, Hertfordshire.
3. Susan Leveson-Gower was born before 15 Sep 1772; was christened on 15 Sep 1772 in Trentham, Staffordshire; died on 26 May 1838.
4. 1st Earl Granville Granville Leveson-Gower was born on 12 Oct 1773; was christened on 05 Nov 1773 in Trentham, Staffordshire; died on 08 Jan 1846.