Mr. and Mrs. Gerald Wahlenmayer of Derby celebrated their 50th wedding anniversary with a weeklong stay on Seneca Lake with their children and grandchildren from Pittsburgh and Hillsborough, N.C. Mr. Wahlenmayer and the former Carol Williams were married June 26, 1965, in Salem Lutheran Church in Springville. He is a former teacher at the Orchard Park High School. She is a former teacher at West Seneca and Orchard Park schools. Both are docents at the Graycliff Conservancy. They have two children and two grandchildren.