Touching one's sister while masturbating

Q: If someone touched his own sister's breasts with lust (she was sleeping at that time) while masturbating.

1. Will this break their parents marriage?

2. Are their children allowed to marry each other? 

3. She was unmarried at that time (when the incident happened), so will her marriage be valid in future?


1. No. 

2. Yes.

3. Yes.

He should make taubah for the sin he had committed.

And Allah Ta'ala (الله تعالى) knows best.


Answered by:

Mufti Zakaria Makada

Checked & Approved:

Mufti Ebrahim Salejee (Isipingo Beach)