Jacob managed Dueck Building Supplies and Lumber City Sales, Abbotsford, B.C. He enjoyed landscaping, family vacations, and travelling with Elizabeth to Asia, Europe, Australia, and across North America. He was an avid skier, hunter, and fisherman, and despite quadruple bypass surgery in 1996, continued all these activities into his 80s. Jacob taught Sunday school at Clearbrook MB Church, Abbotsford, B.C. At Brookswood MB (now South Langley MB), he led Boys Brigade and youth group, taught Sunday school, and served as a deacon and board member. He also enjoyed volunteering with The Gleaners and The Gideons. Jacob loved his family and modelled faith to all who knew him.