He married Lady Blanche Linnie Somerset (15 April 1897 – 30 August 1968), the eldest daughter of the
9th Duke of Beaufort, on 11 June 1918 in London and they had two daughters: • Lady Rosemary Alexandra Eliot (26 February 1919 – 20 April 1963) who married three times; firstly 2 September 1939 Edward Christian Frederick Nutting (9 Sep 1917-k.a.Middle East Jan 1943), by whom she had one daughter Davina (1940–1976); m.2nd 24 Feb 1945 (annulled 1949) David Frederick Hew Dunn (b. 1917); m.3rd 22 Dec 1949 Ralph Alexander Rubens (died 1995) by whom she had one daughter Alexandra (b. 1950). Her elder daughter died in a car crash with her son, leaving issue one daughter Frederica Samantha Mary Cope, now Mrs David Arthur Thomas (born 1963). Her younger daughter is now Mrs Alexandra Peyronel. Both women, co-heiresses to one-half each of the
barony of Botetourt have issue. •
Lady Cathleen Blanche Lily Eliot (29 July 1921 - 1994); her elder son is
David Seyfried Herbert, 19th Baron Herbert (born 1952). He has descendants. St. Germans died in 1922 from the effects of an accident sustained during a
point-to-point race at Wrangton near
Totnes,
Devon. As the youngest son with no sons to inherit, his title passed to his first cousin
Granville John Eliot, 7th Earl of St Germans (22 September 1867 – 20 November 1942). ==Notes==