1 Chronicles 1:28

28 Abraham had two sons, Isaac and Ishmael.

1 Chronicles 1:28 Meaning and Commentary

Ver. 28-34. The sons of Abraham
The famous and well known ancestor of the Jews; of Ishmael his firstborn, and his posterity; of his sons by Keturah; and of Isaac and his sons, an account is given from hence to the end of ( 1 Chronicles 1:34 ) entirely agreeing with that in ( Genesis 25:1-34 ) .

1 Chronicles 1:28 In-Context

26 Serug, Nahor, Terah,
27 and Abram (also known as Abraham).
28 Abraham had two sons, Isaac and Ishmael.
29 The sons of Ishmael became the heads of twelve tribes: Nebaioth (from the name of Ishmael's oldest son), Kedar, Adbeel, Mibsam,
30 Mishma, Dumah, Massa, Hadad, Tema,
Scripture taken from the Good News Translation - Second Edition, Copyright 1992 by American Bible Society. Used by Permission.