Hugh Robert "Bob" Ritson, 83, was the loving husband of Mildred "Mim" Ritson (née: Dubois); beloved son of the late Wallace Eugene and Mary Ritson; devoted father of David Robert Ritson and Debra Ann (Rick) Kellogg; and doting grandfather of Cali Austin Ritson, Marc Wallace Ritson, and Sarah Kathleen Kellogg. He is preceded in death by his brother, Richard Ritson; and sister, Lois Bush. Memorials may be made to St. Charles Presbyterian Church.