He was s of Maj George Seton WILLS 1911-79 (s of Sir Ernest Salter WILLS 3rd Bt 1869-1958) and his 1st w Lilah Mary 1915-2002 d of Capt Percy Richard HARE 1870-1937 (gs of 2nd Earl of LISTOWEL 1801-56 etc) and Matilda Gertrude TIARKS 1881-1972 scion of that gentry family f/o Foxbury. He m 1968 Gillian d of Albert Percival EASTOE, and had a son and three daus as above. His son succeeds him:
[Sir] JAMES SETON Wills [6th Bt] b 1970, has yet to establish his claim. He m 2003 Katherine (Katy) Anne b 1971 reg Q1 Surrey d of Robert GASCOIGNE-PEES b 1944 reg Q3 Surrey of Dorking, Surrey by his 1967 m reg Q3 Surrey to Carol Anne b Oct 1943 d of John R BRICE by his 1943 m reg Q2 Surrey to (as her 1st h) Phyllis May ALKIN 1919-2004, and has issue:
SONS LIVING
JACK SETON b 28 Oct 2005
Sam(uel) Felix b 2007 reg Q2 Swindon
DAUGHTER LIVING
Amelia Scarlett b (twin) 2005
SISTERS LIVING
Sarah Elizabeth b 1969, m 1994 Dominic Edward Pearson of London SW15, and has issue, Thomas Edward PEARSON b 1995 ___ Tilly Annabel b 1997.
Victoria Lucy b 1975 m 2008 Nicholas Donald Peppiatt of Middle Wyke, Hants.
Alice Louise b 1980.