Treasury of Scripture Knowledge
And Othniel, the son of Kenaz, Caleb's younger brother, took it; and he gave him Achsah his daughter to wife.
And when the sons of Israel cried unto the LORD, the LORD raised up a saviour to the sons of Israel, who saved them, even Othniel, the son of Kenaz, Caleb's younger brother.
1 Chronicles 2:49
She also gave birth to Shaaph, the father of Madmannah, Sheva, the father of Machbenah and father of Gibea. And Achsah was the daughter of Caleb.