The Scripture does not mention his name. It only mentions her older cousin Mordecai and her father Abihail in Esther 2:15:
New King James Version (NKJV)
7AndMordecaihad brought up Hadassah, thatis,Esther, his uncle’s daughter, for she had neither father nor mother. The young womanwaslovely and beautiful. When her father and mother died, Mordecai took her as his own daughter.
The Bible does not say who her father was. Her uncle's name was Mordecai.
Mordecai is the one cousin whose name is recorded.See also:More about Esther and Mordecai
Esther's uncle's name is Mordecai.
Esther's uncle in the Bible is Mordecai.
It was her uncle Mordecai.
Esther was Mordecai's cousin in the story of Purim.
She was Mordecai's cousin.
Your sister's son is your nephew. Your uncle is your nephew's grand uncle or great uncle.
Mordecai is Esther's cousin in the biblical story of Purim.
Your uncle's first cousin is also your parent's first cousin, and your first cousin, once removed - if your uncle is the brother of one of your parents. Sometimes your uncle is the husband of your parent's sister. Then his cousin in not related to you.
Your uncle's first cousin may also be the first cousin of one of your parents if descended fromyour great grandparent. In that case, your uncle's first cousin would be your first cousin, once removed. On the other hand, your uncle's first cousin may be related to that parent of your uncle who is not descended from you great grandparent. In that case, your uncle's first cousin is not related to you.
Esther was raised by her cousin Mordecai.