1 Chronicles 2:50

50 These were (also) the sons of Caleb. The sons of Hur, the first begotten son of Ephratah, were Shobal, the father of Kiriathjearim (the founder of Kiriathjearim);

1 Chronicles 2:50 Meaning and Commentary

1 Chronicles 2:50

These were the sons of Caleb the son of Hur, the firstborn of
Ephratah
This is another Caleb, the grandson of Caleb the son of Hezron, called after his name; he was the son of Hur, the firstborn of his wife Ephratah, ( 1 Chronicles 2:19 ) .

Shobal the father of Kirjathjearim:
of the inhabitants of that place; they sprung from him; or, as the Targum, he was prince of Kirjathjearim, a city in the tribe of Judah, ( Joshua 15:60 ) .

1 Chronicles 2:50 In-Context

48 Maachah, the secondary wife of Caleb (the concubine of Caleb), childed Sheber, and Tirhanah.

49 And (Maachah also bare) Shaaph, the father of Madmannah, (and she also) engendered Sheva, the father of Machbenah, and the father of Gibea; and the daughter of Caleb was Achsa. (And Maachah also bare Shaaph, the founder of Madmannah, and Sheva, the founder of Machbenah, and the founder of Gibea; and Caleb's daughter was Achsa.)

50 These were (also) the sons of Caleb. The sons of Hur, the first begotten son of Ephratah, were Shobal, the father of Kiriathjearim (the founder of Kiriathjearim);

51 Salma, the father of Bethlehem; Hareph, the father of Bethgader. (Salma, the founder of Bethlehem; and Hareph, the founder of Bethgader.)

52 And the sons of Shobal, the father of Kiriathjearim, that saw the half of [the] restings, (And the sons of Shobal, the founder of Kiriathjearim; and Haroeh/and Reaiah, and half of the Manahethites.)