It does not take effect legally, and the agreement signed by family members can only be a moral agreement and cannot go beyond the law. Suggest transfer. With the implementation of property tax, the information supervision system of personal property is perfect, and it is not worth increasing the tax burden because of adding extra property that has nothing to do with yourself. According to the new marriage law, if my brother remarries, the property will go to your brother. It is suggested that the property before marriage should be notarized (it may hurt feelings, if it is not for divorce, it will be exempted! ), because it is a loan to buy a house, it is inseparable from repayment in the future. Who can say that he belongs to your brother because of the appreciation of real estate caused by repayment of loans?