Lord Brand married Phyllis, daughter of
Chiswell Dabney Langhorne and sister of
Nancy Astor, Viscountess Astor, in 1917. They had three children: • Virginia Brand (1918–1995), who married John Metcalfe Polk (1908–1948), the son of
Frank Polk, the former
United States Under Secretary of State, in 1952. After Polk's death in 1948, Virginia married Maj.
Edward Ford (1910–2006), son of
Lionel Ford, in 1949. • Dinah Brand (1920–1998), who married Commander Lyttleton Fox. They divorced and she remarried Christopher Charles Cyprian Bridge (1918–1993), son of Charles E. Dunscombe Bridge. • Robert James Brand (1923–1945), a lieutenant in the Coldstream Guards, was killed in action in the
Second World War. Phyllis died in January 1937. Lord Brand remained a widower until his death in August 1963, aged 84. As his only son had predeceased him, the barony died with him. ==References==