What is the difference in the meaning of the terms آل الله and آل رسول? Is using titles like قمرآل الله for Hazrat Abbas or منتقم آل الله for Imam Mahdi appropriate?
Aal Allah آل الله are in fact same as Aal Al-Rasool آل الرسول because Aal Al-Rasool are the pious Progeny of the Messenger whose obedience is obligatory on every Muslim being part and parcel of the obedience of the Prophet (SAWA) which is in fact the obedience of Allah (SWT).
Aal Allah are in fact Aal Al-Rasool as they are the Most obedient servants of Allah.
Wassalam.