Fostering-woman's Husband will not become Mahram to the Sisters of Infant
Issue No. 2110- If a woman suckles a child under the conditions that will come later, the husband of that woman to whom the milk is related, does not become maḥram to the sisters of that child, but the recommended precaution is that he should not marry them. Similarly, the relatives of the husband do not become maḥram to the sisters and brothers of the child.