Sean McGrotty, his sons Mark and Evan, his mother-in-law Ruth Daniels and her daughter Jodie Lee Daniels died when their SUV slipped on algae and went into the sea.
His four month old baby daughter survived after a passer by jumped into the sea to help.
Parish Priest Fr Paddy O' Kane says the funerals will take place at 2 o'clock on Thursday afternoon at the Holy Family Church in Derry.
