Career
He was appointed a captain in the 34th (Cumberland) Regiment of Foot on 30 July 1783. They had one child:
Lady Mary Beauclerk (30 March 1791 – 11 September 1845), married George Coventry, 8th Earl of Coventry and had issue. They had one child:
Aubrey Beauclerk, 7th Duke of Street Albans (7 April 1815 – 19 February 1816).