Mr. and Mrs. Conrad Joseph Olszewski of Buffalo celebrated their 50th wedding anniversary with a renewal of marriage vows in Holy Family Catholic Church, followed by a dinner reception in Kiebzak’s Restaurant, Buffalo. Mr. Olszewski and Kathleen Mary Madigan were married Jan. 18, 1964, in Holy Family Catholic Church, Buffalo. He is a retired machinist for Curtis Screw. She is a retired nursing assistant. They have six children, 18 grandchildren and nine great-grandchildren.