Dave and Marilyn Osterhaus are celebrating their 50th wedding anniversary Dec. 28. David Osterhaus and Marilyn Hemann were married Dec. 28, 1970, at Sacred Heart Church in Osage. They are parents of Dawn (Chris) Jones, Beth (Brian) Huber, Terry (Keri) Osterhaus, Tim (Shana) Osterhaus and Troy (Jenny) Osterhaus. They have 14 grandchildren and one great-grandchild.