Marriage between the brother and sister of a married couple
Question
Is it permitted for the brother and sister of a couple who have already been married for several years to marry each other? Is there any problem with this?
Answer
Shalom uVracha,
It is permitted according to halacha.
In certain cases there is the 'Will of Rabbi Yehudah HaChasid' that advises against such a marriage.
I would be glad to receive more precise details.
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