Penuel was the father of Gedor, and Ezer was the father of Hushah. These were the descendants of Hur, the firstborn of Ephrathah and the father of Bethlehem.
One reason, no doubt, why Ezra is here most particular in the register of the tribe of Judah is because it was that tribe which, with its appendages, Simeon, Benjamin, and Levi, made up the kingdom of Judah, which not only long survived the other tribes in Canaan, but in process of time, now when this was written, returned out of captivity, when the generality...
Commenting on 1 Chronicles 4:1-10
And Penuel the father of Gedor,.... The prince of that place, according to some, and the same with Hareph, Ch1 2:51, and Ezer the father of Hushah: thought to be the same with Shuah, Ch1 4:11, these are the sons of Hur, the firstborn of Ephratah: Caleb's wife, Ch1 2:19 the Targum adds, the same with Miriam; and so other Jewish writers (x) say, Miriam...
And Penuel the father of Gedor, and Ezer the father of Hushah. These [are] the sons of Hur, the firstborn of Ephratah, the father of Bethlehem. (b) The first born of his mother, and not the eldest of his father.