SILVER ANNIVERSARY — Mr. and Mrs. Robert G. Tenney, 23377 Springcreek Road, will mark their 25th wedding anniversary on Dec. 17. On Sunday, Dec. 16, there will be a family dinner at Evans Lodge, with an open house for friends following from 5:30 to 7:30 p.m. Hosting the event will be the couple's children: Mr. and Mrs. Robert Scott Tenney of Grand Valley; Mr. and Mrs. Roger Tenney, Mr. and Mrs. Donald (Rhonda) Taylor, Mr. and Mrs. James (Audrey) Romaniszyn, all of Titusville; Mr. and Mrs. Carl (Robin) Anthony of Pleasantville; and Mr. and Mrs. Barnard (Bobbie Sue) Messina of Spartansburg. Children not able to attend are Mr. and Mrs. William (Elizabeth) Anderson of Georgia and S.Sgt. Donald Sibble of Montana. Tenney married the former Helen Sibble on Dec. 17,1965, in Jamestown, N.Y. Tenney is employed by the City of Titusville and Mrs. Tenney is employed by Sunset Manor. The couple has 23 grandchildren.