Mr. and Mrs. Gary A. Keller Sr. of Hamburg celebrated their 50th wedding anniversary with a gathering in Old Orchard Inn, East Aurora. Mr. Keller and Margaret A. "Peg" Reitzel were married Sept. 7, 1957, in Bethany Evangelical and Reformed Church, Buffalo. He is a retired warehousing and traffic director for Freezer Queen Foods; she is a retired teacher's assistant for Heritage Centers of Buffalo. The couple has four children, nine grandchildren and six great-grandchildren.