On Thursday, February 13, 2020, Diane Sugar Stickler of Highlands Ranch, Colorado passed away peacefully in her sleep.  Devoted mother of Laura Santeler, Elizabeth Pincus, and David Pincus (Kristen); loving sister of Mark Sugar (Fran) and Marjorie Sugar; beloved grandmother of Jennie Santeler-Kruse (Jeff), Matthew Santeler (Kristin), Jeffrey Pincus, Naomi Pincus, Irving Pincus and Natalie Pincus; cherished great-grandmother to Leia; loving aunt to Joshua, Seth, Peter, Nathan and Katie. Preceded in death by her parents, Naomi Vigderhouse Sugar and Samuel Sugar. A graveside service will be held Tuesday, February 18, 2 p.m. at Garden of Remembrance Memorial Park, 14321 Comus Road, Clarksburg, MD 20871. The family will be receiving following services at the home of Nathan and Suzy Sugar at 1604 Blue Meadow Rd, Rockville, MD 20854. In lieu of flowers, donations can be made to the Parkinson's Foundation. Services entrusted to Sagel Bloomfield Danzansky Goldberg Funeral Care