The deceased Usman (35), his wife Fausiya (32) and their daughter Nihana were returning home from Fausiya's house when the lorry which lost control at a curve near Vattapara hit the bike from behind around 1.30 a m, Valancherry police said.
The lorry came to a halt after hitting another lorry from the opposite direction and damaging an auto coming from behind.
The injured lorry driver Pramod (26) from Maharashtra has been admitted to a private hospital.