GRETZNER, Siegmund May 28, 2008 age 88 Beloved husband of the late Phyllis. Dear father of Richard Helena, Katherine Robert Hren, the late Rick, and John Gretzner and Marc Dee Wruble. Dear grandfather of David, Jason, Amber, Christopher, Jonathan, Johneá, Lauren and Kevin. Also survived by five great grandchildren. Brother of Carl, Henry and Mary DeWitt. Teacher and Football Coach and Mentor at Lowrey High School, Dearborn for 35 years. Also foster parent to 158 children. Funeral Monday 11:00 am at the Dearborn Chapel of the Howe-Peterson Funeral Home, 22546 Michigan Ave. Visitation Saturday 5-9 pm and Sunday 12-9 pm. Memorial donations may be made to Children's Trust Fund, 55 Court St. 4th Floor; Boston, MA 02108. www.howepeterson.com