The first form is probably by erroneous transcription for the second form; patronymic from H3612; a Calebite or descendant of Caleb: - of the house of Caleb.
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Matrix
1Ch 2:24And after that Hezron was dead in Caleb-ephratahH3613, then Abiah Hezron's wife bare him Ashur the father of Tekoa.