Mr. and Mrs. Edmund Zyla of Orchard Park celebrated their 50th wedding anniversary with a renewal of their marriage vows in Holy Family Catholic Church, Buffalo, where Zyla and Jane Schlabig were married Sept. 4, 1954. The renewal was followed by cocktails at Niagara-on-the Lake, Ont., dinner in Fallsview Casino and a dessert reception in their son's home. A cruise to Mexico is planned. He is a retired supervisor for National Steel's Hanna Furnace Corp. The couple has three sons and six grandchildren.