As Salaamu Alaikum,
Can a man marry his deceased grandfather’s wife if his grandfather did not consummate the marriage with her before his death?
Wa Alaikum As Salaam
Bismillahi wa billahi At Tawfeeq
No, a man cannot marry the legally wedded wife of his grandfather, even if they never consummated their marriage.
Fatawa Hindiyyah 1/302 Darul kutub Ilmiyyah
And Allah knows best.
Mufti Waheeb Saiyed