Please contribute generously in order to ensure the continuity of our website InshaAllah.
Praise be to Allah.
There is nothing wrong with that, because there is no connection of blood between them, so she is a stranger (non-mahram) to him, and he is a stranger to her. So it is permissible for a person to marry the daughter of his father’s wife from another man, because Allaah says, after mentioning those to whom marriage is forbidden: “All others are lawful” [al-Nisa’ 4:24].