1 Chronicles 2:17

Abigail was the mother of Amasa, whose father was Jether the Ishmaelite.

Note Jether is a variant of Ithra; see 2 Samuel 17:25.

BSB · Berean Standard Bible
And Abigail bare Amasa: and the father of Amasa was Jether the Ishmeelite.

Note Jether…: also called, Ithra an Israelite

KJV · King James Version
Abigail bore Amasa; and the father of Amasa was Jether the Ishmaelite.
WEB · World English Bible
And Abigail bare Amasa; and the father of Amasa was Jether the Ishmaelite.
ASV · American Standard Version

Related passages

From the Treasury of Scripture Knowledge, grouped by the word they explain.

Amasa
2 Samuel 17:25; 2 Samuel 19:13; 2 Samuel 20:4–12; 1 Kings 2:5, 32
Jether
Jether, [Yether ,] is essentially the same with [Yithrâ ,] Ithra, the latter only having the addition of an ['Aleph] {aleph;} and it is probable, that he was an Ishmaelite by birth but an Israelite by religion.
2 Samuel 17:25