Question 22: My daughter is an employee. She gives her mother some of her salary. I do not need money from her but she gives me more than she gives her mother. My second wife has a son who invests in my money and gives some of his income to his mother.My third wife has young children and does not receive money from anyone. When she asks me for money I give her the same as I give to my other wives because I fear being unjust to them. I intend to give her more than my other wives as they have other sources of income. I depend on the Hadith, which states: “You and your property belong to your father.” Is the money my children give to their mothers considered my property and so I can give an equivalent amount to my third wife? Could you please enlighten me in this regard?
Answer: If the reality is as you mentioned; that your daughter from the first wife gives some of her salary to her mother and your son from the second wife gives some of his income to his mother, then it is not obligatory for you to give the third wife the same amount as your children give to their mothers... read more here.