Henrietta Maria Phipps was born 26 March 1757 to Constantine Phipps, 1st Baron Mulgrave (1722-1775) and Lepell Hervey (1723-1780) and died 1 August 1782 of unspecified causes. She married Charles Dillon-Lee, 12th Viscount Dillon (1745-1813) 19 August 1776 in Brussels, Belgium.
|Offspring of Charles Dillon-Lee, 12th Viscount Dillon and Henrietta Maria Phipps (1757-1782)|
|Henry Augustus Dillon-Lee, 13th Viscount Dillon (1777-1832)||28 October 1777 Brussels, Belgium||24 July 1832 London, Greater London, England, United Kingdom||Henrietta Browne (1789-1862)|
|Frances Charlotte Dillon-Lee (1780-1819)|