Robert and Kim Ostby, Monroe, are parents of a son, Oliver Robert Ostby, born Tuesday, May 25, 2010. Oliver weighs 9 pounds, 3 ounces and is 21 inches long. He has a sister, Maggie, 2 1/2. Grandparents are Duane and Elizabeth Grossen, Monroe, and Donna Ostby, Monroe. Don Deininger, Monroe, is the great-grandparent.