Robert Jack Milne was born in Fort William, Ontario on 5 September 1932. He was the son of Robert Johnston Milne and Evelyn Mary Harris.
In 1958, Jack married Eleanor Veasey in Lafleche, Saskatchewan. The couple had two daughters, Roberta and Joy. They resided in Saskatchewan and then British Columbia.
The couple enjoyed many years together before both died in Richmond, B.C. – Eleanor in September 2005 and Jack in July 2006 .