Mr. and Mrs. John J. Gregori Sr. of West Seneca celebrated their 50th wedding anniversary with a family dinner in Ilio DiPaolo's Restaurant, Blasdell. Mr. Gregori and Margueritte P. Brown were married July 2, 1962, in Raleigh, N.C. He is retired assistant operations manager for the family-owned business, Marky's Wholesale Potatoes Inc.; she is a retired receptionist for Council Opticians. They have three children and five grandchildren.