Prayer: If the Eldest Child Is a Daughter, Must the Next Son Perform the Parents’ Missed Prayers and Fasts?

Practical Laws of Islam as per the teachings of Imam Khamenei

Prayer: If the Eldest Child Is a Daughter, Must the Next Son Perform the Parents’ Missed Prayers and Fasts?

English:

Question #540:

If the eldest child of a deceased person is a female and his/her second child is male, is it obligatory for this son to perform the missed prayers and fasts of the mother and the father?

Answer #540:

The criterion is that the male son being the eldest among the sons, if the parent has any son. As for the assumption in question, it is obligatory for the son, i.e. the father’s second child, to perform the missed prayers and fasts of his father and – by obligatory caution - those of her mother.

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