Catherine "Kate" Klaesener, of O'Fallon, Missouri, Formerly of , St. Louis, died Monday, October 26, 2009, at St. John's Mercy Medical Center, in Creve Coeur. A Daughter of the late Howard Williams and the late Opal Williams (nee: Fowler), Catherine "Kate" was born on August 20, 1932, in St. Louis, Missouri. Kate was married to her first husband, Walter Sergiewich until his death. She re-married Bernard A. Klaesener on July 21, 1984 in St. Louis, Missouri . Kate had a love for playing bingo and gardening. Kate is survived by her husband, Bernard A. Klaesener and Daughter, Melanie (Daniel) Farr, Son, Kurt (Lisa) Sergiewich, Daughter, Pam (Steve) Bremer, Son, Bruce (Marie) Klaesener, Son, Mark Klaesener and Daughter, Janice (Patrick) Kranz; seven Grandchildren, three Great-Grandchildren, and her two Sister's Pauline and Estelle. A Funeral Service will be celebrated by Rev. Dair Hileman, on Friday, October 30, 2009, 10:00 AM at Baue Funeral and Memorial Center Chapel, 3950 West Clay Street, St. Charles, MO. Interment at Bethlehem Cemetery, St.Louis, Missouri 63115. Those wishing to honor Kate's memory may send memorial contributions in her name to Alzheimer's Association c/o Baue Funeral Home, 3950 West Clay, St. Charles, Missouri 63301.