What does 1 Chronicles 2:18 mean?

And Caleb the son of Hezron begat children of Azubah his wife, and of Jerioth; and these were her sons: Jesher, and Shobab, and Ardon.

And Caleb the son of Hezron begat children of Azubah his wife, and of Jerioth: her sons are these; Jesher, and Shobab, and Ardon.

And Caleb the son of Hezron begat children of Azubah his wife, and of Jerioth; and these were her sons: Jesher, and Shobab, and Ardon.

And Caleb, the son of Hezron, had children by Azubah his wife, the daughter of Jerioth; and these were her sons: Jesher and Shobab and Ardon.

And Caleb son of Hezron hath begotten Azubah, Isshah, and Jerioth; and these <FI>are<Fi> her sons: Jesher, and Shobab, and Ardon.

And Caleb the son of Hesron took a wife named Azuba, of whom he had Jerioth: and her sons were Jaser, and Sobab, and Ardon.

And Caleb the son of Hezron had children by Azubah [his] wife, and by Jerioth: her sons are these: Jesher, and Shobab, and Ardon.