1)
Why does the Torah refer to Calev ben Yefuneh as "ha'Kenizi"?
1.
Rashi: Because he was the stepson of K'naz, from whom his mother bore Osniel. 1
1
See Sifsei Chachamim. Moshav Zekenim (34:19): That explains why the Pasuk n Yehoshua 15:17, refers to Osniel ben K'naz as Calev's brother.
