What are the husband’s obligations towards his children and his ex-wife who has custody of them?

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Check below answers in case you are looking for other related questions:
Is the woman who is divorced after consummation of the marriage entitled to maintenance?
Her husband has divorced her and is refusing to let her go back to his house until she has apologized to his parents

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Is the woman who is divorced after consummation of the marriage entitled to maintenance?
Her husband has divorced her and is refusing to let her go back to his house until she has apologized to his parents

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