Is the husband's grandfather considered a mahram (a relative one may not marry) for the wife?
Machine translationRead the Arabic original
Question:
Honorable Shaykh, a questioner says: Is the husband's grandfather a mahram for the wife, whether from her mother's side or her father's side?
Answer:
His grandson's wife, yes, he is a mahram; because he is a father,[An-Nur 24:31], and this includes the father and the grandfather, no matter how far up the lineage? Yes.
Honorable Shaykh, a questioner says: Is the husband's grandfather a mahram for the wife, whether from her mother's side or her father's side?
Answer:
His grandson's wife, yes, he is a mahram; because he is a father,
except to their husbands, their fathers, their husbands' fathers
إِلَّا لِبُعُولَتِهِنَّ أَوْ آبَائِهِنَّ أَوْ آبَاءِ بُعُولَتِهِنَّ
Source
قناة «العلامة الدكتور صالح الفوزان»، 7626- هل يعتبر جد الزوج محرمًا للزوجة؟ - الشيخ صالح الفوزان — youtube.com
The Arabic text is a machine transcription of the audio recording.