1. The legal definition of ancestral property is different and the said property is not ancestral property, 2. Neither you nor your daughter has any right on the properties of your FIL or husband during their life times, 3. However, as per Supreme Court Judgment, the Husband is bound to maintain his wife and children by begging or borrowing, 4. It is also well settled proposition of law that from the earnings derived from the properties sold, the husband is bound to maintain his wife and children, 5. Your filing case claiming share of your FIL's house will not yield any result and will waste your money and time.