Mr. and Mrs. Robert M. Manke of Pendleton celebrated their 50th wedding anniversary with an Erie Canal cruise, followed by a dinner for family and friends at Erie Canalside Restaurant, Lockport. Mr. Manke and Barbara S. Fronczak were married July 14, 1962, in St. Stanislaus Catholic Church, Buffalo. He is a retired pipefitter for General Motors Tonawanda Plant and Harrison Radiator, Lockport; she is a retired lab clerk. They have three children and eight grandchildren.