Prayer: If a Father Never Prayed, Must the Eldest Son Perform All His Missed Prayers?

Practical Laws of Islam as per the teachings of Imam Khamenei

Prayer: If a Father Never Prayed, Must the Eldest Son Perform All His Missed Prayers?

English:

Question #545:

In case a father never performed any prayer, will his prayers be considered as all missed and obligatory for his eldest son to offer?

Answer #545:

It is based on obligatory caution that doing their qaḍā’ is obligatory.

-Imam Khamenei, Practical Laws of Islam, Importance and Conditions of Prayer