No, it is baseless. The are no rights between them at all as they are total strangers!

Does a second wife have any mandated duties towards the first wife of her husband? Some friends of my husband are saying that as a second wife I have a duty to call the first one to say hello and pay respects because i “found” her in the marriage, and that i am mandated to know and have a relationship with her. Is this true by the deen?

Fiqh of Marriage | July 14, 2015 4:15 am
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If a previously married woman, or one that has never married, gives birth to a child six months after her new marriage, is it correct to do a medical test to verify who the father is?
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my husband and I have been married for a few years الحمداللهand he was interest in taking a second wife in the past but I did not like that idea when we first married. Now I want him to have a second wife because I know he is religious and I am being selfish to keep a good man to myself but he will now not believe me if I tell him. How can I convince him I am happy if he takes another wife?