Mr. and Mrs. John Neidhart of Alden celebrated their 50th wedding anniversary with a renewal of marriage vows in Annunciation of the Blessed Virgin Mary Catholic Church, followed by a family reception in Salvatore’s Italian Gardens, Lancaster. Mr. Neidhart and Elizabeth Oliva were married June 29, 1963, in St. Monica Catholic Church, Mishawaka, Ind. He is retired vice president of Tri-Delta Aggregates and retired regional manager of Associated General Contractors; she is a retired clerk at Marilla Free Library. They have three children and eight grandchildren.