Being married to a woman and her former mother-in-law at the same time

Q: My paternal uncle died (may Allah be merciful to him) and I married his widow. My uncle had a married son who died in an airplane accident at Riyadh Airport, leaving a wife and some children. I became the children's guardian after their father's death.I want to know: Is it permissible for me to marry my cousin's widow while married to his mother? Bear in mind that both women are not related in any way apart from their mutual relation to my deceased cousin.Please advise if it is permissible for me to marry my cousin's widow while married to his mother.

A: If the case is as you mentioned, it is permissible for you to marry this woman and being married to the deceased's mother does not affect the legality of marrying his widow or being married to both of them simultaneously. May Allah grant us success. May peace and blessings be upon our Prophet Muhammad, his family, and Companions.