“And the sons of Uzziel; Mishael, and Elzaphan, and Zithri.”
King James Version (KJV)
6:20 His father's sister - That is, kins - woman. So the Hebrew word is frequently used.
6:23 Aminadab - A prince of the tribe of Judah. The Levites might marry into any tribe, there being no danger of confusion or loss of inheritance thereby.