Various online sources give his address as Ross Farm, Belford inc Companies House.
He was the son of Sir (Benjamin) Ivan SUTHERLAND, 2nd Bt (1901-1980) and (his 1st w m 1927, div 1944) Marjorie Constance Daniel nee Brewer (d 1980). He m (1) 1958 Alice Muireall HENDERSON (d 1984) and (2) 1988 Ailsa Heather GRAY and had 3s and a dau by his 1st m
His eldest son (Sir) Peter William SUTHERLAND b 18 May 1963 now succeeds as the 4th Baronet subject to proving his claim. He m 1988 Suzanna Mary GLEDSON and has issue:-
1. TOM PETER b 1999, heir apparent
1. Kate Alice b 1993