SIERZEGA,JOAN A., Age 57, April 13, 2002. Beloved wife of Robert. Dear mother of Michael and Lori. Sister of Elaine Hoff, Dorothy Cattell and Patricia McNab. Funeral at St. Rene Goupil Catholic Church, 35955 Ryan Road, Sterling Heights. Thursday 9:30 a.m. Friends may visit at church beginning at 9 a.m. Visitation at Lynch & Sons Funeral Home, 1368 N. Crooks Road (bet. 14-15 Mile Roads) Wednesday 2-9 p.m.