Quick answer: We don't know. More detail:You're asking one of two things:1) Is Netanyahu from the Tribe called "David"? Answer: There's no such tribe.2) Is Netanyahu from the same Tribe that David was from (the Tribe of Judah)? Answer: We don't know, but it remains true that most Jews are from the Tribe of Judah.See also:The Twelve Israelite Tribes
Moses was a descendant of the tribe of Levi (Moses was a Levite).
No. King David was not from the tribe of Levi. He was from the tribe of Judah.
They most certainly do. Their descendants are called the Tribe of Levi and the Tribe of Joseph.
The priests came from the tribe of Levi with the Cohenim (High Priests) being the first born males of the Levim.
The Levi tribe was chosen to perform holy service in the Tabernacle and Temple. See related links for more information about the tribe of Levi.
Jeremiah was from the tribe of Levi.
Jeremiah was from the tribe of Levi.
Aaron belonged to the tribe of Levi.
Ezra was a descendant of the priestly tribe of Aaron from the tribe of Levi.
Eli was a Kohen, which is a family within the Tribe of Levi. He was also one of the Judges.
Jochebed's father was Levi, making her a member of the tribe of Levi in the Old Testament.