family

家族(かぞく) Your immediate family – parents, grandparents, siblings.
 
家庭(かてり) The family you are living with.
 
親戚(しんせき) All living relatives, even ones you have not met
 
妻子(さいし) A wife and children. Like, “Don’t kill me ! I have a wife and children!” or “She fell for a guy who had . . .”