Abihail

A man, in the time of Exile and Return · named in 2 verses

the name means Father of might Easton's Bible Dictionary

Abihail was the father of Esther (also known as Hadassah), who became Queen of Persia and saved the Jewish people from Haman's plot.

From Easton's Bible Dictionary

Father of might. (1.) Num. 3:35. (2.) 1 Chr. 2:29. (3.) 1 Chr. 5:14.

Easton's Illustrated Bible Dictionary, 1897 — public domain, quoted in full and unedited.

Children Esther

From STEPBible's TIPNR genealogy data. A relationship the data marks uncertain is not shown here.

First named at Esther 2:15.

Esther 2:15 Now Esther was the daughter of Abihail, the uncle from whom Mordecai had adopted her as his own daughter. And when it was her turn to go to the king, she did not ask for anything except what Hegai, the king’s trusted official in charge of the harem, had advised. And Esther found favor in the eyes of everyone who saw her.
Esther 9:29 So Queen Esther daughter of Abihail, along with Mordecai the Jew, wrote with full authority to confirm this second letter concerning Purim.