'Younger' in the Bible

Othniel the son of Kenaz, Caleb’s younger brother, captured it; so he gave him his daughter Achsah as a wife.

But when the Israelites cried out to the Lord [for help], the Lord raised up a man to rescue the people of Israel, Othniel the son of Kenaz, Caleb’s younger brother.

Her father said, “I really thought you utterly hated her; so I gave her to your companion. Is her younger sister not more beautiful than she? Please take her [as your wife] instead.”