When Azubah died, Caleb married Ephrath, who bore him Hur.
The persons mentioned in the former paragraph are most of them such as we read of, and most of them such as we read much of, in other scriptures; but very few of those to whom this paragraph relates are mentioned any where else.
Commenting on 1 Chronicles 2:18-55
And the sons of Jerahmeel, the firstborn of Hezron, were Ram the firstborn,.... So called by his father after the name of his brother, see Ch1 2:9. and Bunah, and Oren, and Ozem, and Ahijah; or "of Ahijah", as some (r) render it, this being the name of his wife, who bare him the sons before named, since mention is made of another wife in the next verse.
POSTERITY OF CALEB. (1Ch. 2:18-55) Caleb the son of Hezron--The notices concerning this person appear confused in our version. In Ch1 2:19 he is said to be the father of Hur, whereas in Ch1 2:50 he is called "the son of Hur." The words in this latter passage have been transposed in the copying, and should be read thus, "Hur the son of Caleb." begat...
Commenting on 1 Chronicles 2:18-55