He was the son of Dixon Henderson, of Coquet Cottage, Morpeth, and the late Isabella Henderson, and the husband of Julia Henderson, of 11, Darnell Street, Newcastle.
Morpeth Herald 05/04/1918 carries a brief obituary:
ROLL OF HONOUR
HENDERSON.- Previously reported missing July 11th, 1917, now reported killed, Private Lancelot Humphrey Henderson, 14th [sic] Batt., N.F., youngest son of Dixon Henderson, Oldgate, Morpeth.
