Asalamualikum
Is it permissible for a couple with only 2 daughters and no sons to place their house in a trust and make it that the beneficiaries are husband, wife and 2 daughters. If the husband dies, it goes to the wife and 2 daughters and if husband and wife die, it goes to the 2 daughters. Somebody advised me that this method is permissible
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Please advise
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Jzk