[3][4] They had three children: Betty (1913–),[5][6] and Donald William Gravenall (1917–1990), who became a respected swimming coach,[7][8][9] and Barbara Ida (1927–1956).
Due to his strongly held views on the values inherent in amateur sport, and his disdain for the increasing professionalism of the Victorian Football League, Wesley's headmaster, Lawrence Adamson, who'd been educated at Rugby School in England, controversially refused to allow Gravenall to continue to play VFL football in 1911.
[16] Gravenall was part of Collegian's 1904 premiership team and played in the club's 1911 grand final loss to Leopold.
He was the coach of the New South Wales team at the August 1933 Australian National Football Carnival, held in Sydney;[19] and "there is little doubt that had … Mr. S.B.
[20] A larger than life character, in 1928 he was sentenced to six months in jail for contracting a debt of £125 without reasonable or probable grounds of being able to pay it.