Sanctify unto me, to my use and service, in manner as I shall hereafter explain. And sanctify, i.e. command all the people to sanctify, as Moses did, Exodus 13:12. All the first-born, viz. if they be males, as it is limited, Exodus 13:12. Whatsoever openeth the womb; every child which is the first-born of his mother: so that if a man had many wives, either together or successively, his first child by every one of these was a first-born. Whether clean or unclean, though in different manner; whereof see Numbers 18:13,15,17. It is mine, by special right and title; as being by my singular care and favour preserved from the common destruction, and therefore I challenge a peculiar interest in them, and do hereby require that they be devoted to me.
Related Commentaries of Exodus 13:2
Exodus 13:2
2 Sanctify unto me all the firstborn, whatsoever openeth the womb among the children of Israel, both of man and of beast: it is mine.