1)
How can Osni'el ben Kenaz be the brother of Kalev ben Yefuneh?
1.
Rashi: They were maternal brothers. 1
2.
Radak #1: Perhaps Kalev's father had two names - Yefuneh and Kenaz. Many people had two names!
3.
Radak #2: Kenaz was the name of the head of the family.
1
Radak: Kalev is called "ha'Kenizi" (14:6), based on his mother's husband. This is difficult. Lineage is attributed only to the father's side!


