If the house is written in the son's name: this house was bought before marriage, and it should be the son's personal property before marriage. At the time of divorce, the house still belongs to the son, and the daughter-in-law has no right to ask for division.

? However, the mortgage paid by the son after marriage should be the joint property of the husband and wife, and the daughter-in-law has the right to demand that half of the mortgage paid by the son after marriage be divided.

2. If the name of the daughter-in-law and son is written on the real estate license: the house is the joint property of husband and wife, and one person is divided into half at the time of divorce. The down payment of the parents is regarded as a gift to the son and is inseparable at the time of divorce.

3. If the name of the parents is written on the real estate license: the house is the property of the parents, and the son and daughter-in-law cannot be divided when divorced, but the son has the right to ask for half of the loan after marriage.