What must we do to avoid falling into the forbidden and to guard against Allah Almighty's wrath, especially given the estrangement and animosity between us and our daughter-in-law and her family, after we were forced to leave our home and move in with our eldest son?

A distinction must be made between fixed rights that are Islamically obligatory and those that are not. The wife is not Islamically obligated to serve her husband's parents, but it is a noble act of kindness for her to serve them beneficently if they need it, and she will be rewarded for that. The wife's request for an independent dwelling is a legitimate right for her. It is not permissible to harbor resentment towards the wife or to invoke curses upon her for demanding her rights, as this is a sin and an act of severance. Similarly, it is not permissible to forsake a Muslim for more than three nights, for whoever forsakes his brother for a year is as if he has shed his blood. All parties must fear Allah and reconcile their differences.