The sons of Ezrah: Jether, Mered, Epher, and Jalon. And Mered’s wife Bithiah gave birth to Miriam, Shammai, and Ishbah the father of Eshtemoa.
We may observe in these verses, 1. That here is a whole family of craftsmen, handicraft tradesmen, that applied themselves to all sorts of manufactures, in which they were ingenious and industrious above their neighbours, Ch1 4:14. There was a valley where they lived which was, from them, called the valley of craftsmen. Those that are craftsmen are not therefore to be looked upon as mean men.
Commenting on 1 Chronicles 4:11-23
And the sons of Ezra,.... Who was perhaps the son of Asareel, last mentioned: Jether, and Mered, and Epher, and Jalon; only one of them, Mered, is after mentioned: and she bare Miriam; which is not the name of a woman, but of a man, as Kimchi observes; and, according to him, his mother was the wife of Mered, which he gathers from the next...
she bare Miriam--It is difficult, as the verses stand at present, to see who is meant. The following readjustment of the text clears away the obscurity: "These are the sons of Bithiah the daughter of Pharaoh, which Mered took, and she bare Miriam, and his wife Jehudijah bare Jezreel," &c.