neither ... die any more - Marriage is ordained to perpetuate the human family; but as there will be no breaches by death in the future state, this ordinance will cease.
equal - or “like.”
unto the angels - that is, in the immortality of their nature.
children of God - not in respect of character but nature; “being the children of the resurrection” to an undecaying existence (Rom 8:21, Rom 8:23). And thus the children of their Father’s immortality (1Ti 6:16).