A man concluded a marriage contract with a woman and then divorced her before consummating the marriage, is it permissible for him to marry her daughter or mother?
It is permissible for someone who contracted a marriage with a woman and then divorced her before consummating the marriage to marry her daughter. However, it is not permissible to marry the mother due to just having contracted the marriage with her daughter. Allah (Exalted be He), when mentioning the women that a man is forbidden to marry, says:
...your wives’ mothers
May Allah grant us success. May peace and blessings be upon our Prophet Muhammad, his family, and Companions.