Othniel

Judges 1:13
So Othniel son of Kenaz, Caleb's younger brother, captured it, and Caleb gave his daughter Acsah to him in marriage.

Judges 3:9, 11
But when the Israelites cried out to the LORD, He raised up Othniel son of Kenaz, Caleb's youngest brother, as a deliverer to save them. . . .

Kenaz

Joshua 14:6
Then the sons of Judah approached Joshua at Gilgal, and Caleb son of Jephunneh the Kenizzite said to him, "You know what the LORD said to Moses the man of God at Kadesh-barnea about you and me.

Numbers 32:12
not one except Caleb son of Jephunneh the Kenizzite and Joshua son of Nun--because they did follow the LORD wholeheartedly.'

Achsah

1 Chronicles 2:49
She was also the mother of Shaaph father of Madmannah, and of Sheva father of Machbenah and Gibea. Caleb's daughter was Acsah.