Wife's Mother and Grandmothers
Issue No. 2043- If a man marries a woman, even if he may not have had sexual intercourse with her, her mother, her mother’s mother, her father’s mother and all the women as the line ascends are his maḥram. However, the daughter of one’s wife, and the grand daughters of that woman (daughters of daughters or sons) will become haram to that man if he has had sexual intercourse with her.