Their daughter Elizabeth Frances Townshend (2 August 1789 –10 April 1862 Nice) married 20 October 1813 Captain Augustus Clifford R.N., later Sir Augustus Clifford, 1st Bt (1788-1877), illegitimate son of the 5th Duke of Devonshire and his mistress, Lady Elizabeth Foster, née Hervey, later the Duke's second wife (1811).
Their daughter Elizabeth Frances Townshend (2 August 1789 – 10 April 1862 Nice) wedded on October 20, 1813 to Captain Augustus Clifford R.N., later Sir Augustus Clifford, 1st Bt (1788-1877), an illegitimate son of the 5th Duke of Devonshire and his mistress, Lady Elizabeth Foster, née Hervey, later the Duke's second wife.