Patrick A. DiRienzo and his bride, the former Patricia J. Robak, will be live in Lancaster after a trip to Florida. They were married Friday at 6:30 p.m. before the Rev. John A. Swanson in St. John Lutheran Church, Lancaster. Theodore J. and Doris M. Robak of Lancaster are the parents of the bride. The bridegroom is the son of Patrick and Dorothy DiRienzo of West Seneca. A reception was given in Samuel's Grande Manor. The bride, a secretary at Sarette Temporaries Inc., is a graduate of Bryant & Stratton Business Institute. The bridegroom, a graduate of Buffalo State College, attends University at Buffalo and is a software engineer at Sierra Research.