I had the same thing im on the mission were i have to find my wife and befor i gave here a ring but i found her shes just not my wife i says she's just Gail the furniture seller.

Near were you kill Lucean he trys to shot you agian but your dog jumps in the way and he shots your dog instead your dog dies and the only way to get him back is after you kill Lucean choose love and your wife/husband child and dog will be brought back