Gladys E. Erwin - Passed away on April 5, 2010 in Santa Rosa at the age of 100 years. Beloved mother of Robert (Bonnie) Erwin; loving grandmother of Michelle Cook and Robby Erwin; adored great-grandmother of Alexandria Cook; dear aunt of Patricia (Chris) Bias, Kathleen (Mike) Spencer, and Robert (Barbara) Powell. Gladys was a wonderful woman who will be greatly missed by all who knew her. As per her wishes, no services will be held. Memorial contributions may be made to the American Heart Association, 1400 N. Dutton Ave., Ste. 20, Santa Rosa, CA 95401.