And to Isaac I gave Jacob and Esau may be rendered as a complete sentence: “I gave Isaac two sons, Jacob and Esau.”

Esau and his descendants are given the hill country of Edom (Revised Standard Version “Seir”), southwest of the Dead Sea.

Good News Translation has added your ancestor (before Jacob) to distinguish him from Esau, who was not their ancestor; but this does not seem necessary.

Quoted with permission from Bratcher, Robert G. and Newman, Barclay M. A Handbook on Joshua. (UBS Helps for Translators). New York: UBS, 1983. For this and other handbooks for translators see here .