Moses
Genesis 11:31BSB·traditional attribution

And Terah took his son Abram, his grandson Lot son of Haran, and his daughter-in-law Sarai the wife of Abram, and they set out from Ur of the Chaldeans for the land of Canaan. But when they arrived in Haran, they settled there.

John Calvin Reformed @genevareformer

31. And Terah took Abram his son . Here the next chapter ought to commence; because Moses begins to treat of one of the principal subjects of his book; namely, the calling of Abram. For he not only relates that Terah changed his country, but he also explains the design and the end of his departure, that he left his native soils and entered on...

Matthew Henry Presbyterian @wholebiblehenry

Here begins the story of Abram, whose name is famous, henceforward, in both Testaments. We have here, I. His country: Ur of the Chaldees. This was the land of his nativity, an idolatrous country, where even the children of Eber themselves had degenerated.

Commenting on Genesis 11:27-32

Jamieson-Fausset-Brown Reformed @jfbcommentary

Sarai his daughter-in-law--the same as Iscah [Gen 11:29], granddaughter of Terah, probably by a second wife, and by early usages considered marriageable to her uncle, Abraham. they came unto Haran--two days' journey south-southeast from Ur, on the direct road to the ford of the Euphrates at Rakka, the nearest and most convenient route to Palestine. Next: Genesis Chapter 12