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Secondly, by his
own act, for instance when he raises B's child from the sacred font,
and thus           relationship passes to the wife if he has already
had carnal knowledge of her, but not if the marriage be not yet
consummated, since they are not as yet made one flesh: and this is by
way of a kind of affinity; wherefore it would seem on the same grounds
to pass to a woman of whom he has carnal knowledge, though she be not
his wife.