Abigail bore Amasa, and the father of Amasa was Jether the Ishmaelite.

The sons of Elkanah were Amasai and Ahimoth.

the son of Zuph, the son of Elkanah, the son of Mahath, the son of Amasai,

Then the Spirit came upon Amasai, who was the chief of the thirty, and he said,
“We are yours, O David,
And with you, O son of Jesse!
Peace, peace to you,
And peace to him who helps you;
Indeed, your God helps you!”
Then David received them and made them captains of the band.

Shebaniah, Joshaphat, Nethanel, Amasai, Zechariah, Benaiah and Eliezer, the priests, blew the trumpets before the ark of God. Obed-edom and Jehiah also were gatekeepers for the ark.