In the time of Moses, there were 23,000 male Levites (Numbers ch.26), each of whom had a family.
No. King David was not from the tribe of Levi. He was from the tribe of Judah.
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.
Eli was a Kohen, which is a family within the Tribe of Levi. He was also one of the Judges.
Levi
The tribe of Levi
No.
Yes; of the tribe of Levi.
Levi
A Levite is from the tribe of Levi (descendants of Levi). The Levim (pl) make up the priestly class in Judaism and the Cohenim (high priests) come from this tribe. All Levi males are priests with the first born males in ancient times being Cohenim.
He was born in Egypt the son of Yocheved from the tribe of Levi.