Robin R. Keyser, age 45, passed away July 3, 2015. She was the beloved wife of Ty Costin. Loving mother of Bret (Jacklyn) Keyser, Brandon (Miranda) Keyser and Brad Costin. Cherished daughter of Guy and Karen Walmsley. Proud grandmother of Julia, Autumn, Dominic and Madison. Dear sister of Jason (Nicolette) Walmsley and Dawn (Robert) Blanchard. Memorial gathering Wednesday 4:00 p.m. until the time of the memorial service at 5:00 p.m. at Kaul Funeral Home, 27830 Gratiot Ave., Roseville. Please share a memory of Robin at her online guest book.