Steenburgen, Bert O., of St. Charles, Missouri, died on Wednesday, August 22, 2012 at the age of 85. Loving husband of Mary M. Steenburgen (NEE: Dunne), son of the late Orville and Minnie Steenburgen, father of Victoria (Dan) Pilla; step-father of Dennis (Barbara) LaChance and Catherine (William) VonDerAhe; grandfather of 7; great-grandfather of 8. Bert was also a beloved cousin, uncle, great-uncle and friend to many. He is preceded in death by Osie Moody, sister and Donald LaChance, step-son.