He was the only son of Anne Holman (d. 1725)[1] and William Stafford-Howard, 2nd Earl of Stafford, who were first cousins.
[3][4] His paternal grandparents were the former Mary Southcote (a daughter of Sir John Southcote)[5] and John Stafford-Howard (a son of the 1st Viscount Stafford),[6] who served as King James II's Ambassador to King Louis XIV when the former was exiled at Saint-Germain.
His maternal grandparents were George Holman of Warkworth, Northamptonshire and Anastasia Howard (a daughter of the 1st Viscount Stafford).
[7][10] He inherited a number of English estates from his Holman family members, which he sold in 1749 to Edward Greenly of Doctors' Commons.
His widow Henrietta married Robert Maxwell, 1st Earl of Farnham.