Reference: Kohathites
Easton
the descendants of Kohath. They formed the first of the three divisions of the Levites (Ex 6:16,18; Nu 3:17). In the journeyings of the Israelites they had the charge of the most holy portion of the vessels of the tabernacle, including the ark (Nu 4). Their place in the marching and encampment was south of the tabernacle (Nu 3:29,31). Their numbers at different times are specified (Nu 3:28; 4:36; 26:57,62). Samuel was of this division.
See Verses Found in Dictionary
And these are the names of the sons of Levi, according to their generations: Gershon, and Kohath, and Merari. And the years of the life of Levi were a hundred and thirty-seven years.
And the sons of Kohath: Amram, and Jizhar, and Hebron, and Uzziel. And the years of the life of Kohath were a hundred and thirty-three years.
According to the number of all the males, from a month old and upward, there were eight thousand six hundred, who kept the charge of the sanctuary. The families of the sons of Kohath encamped on the side of the tabernacle southward.
And their charge was the ark, and the table, and the candlestick, and the altars, and the utensils of the sanctuary with which they ministered, and the curtain, and all that belongs to its service.
And those that were numbered of them according to their families were two thousand seven hundred and fifty.
And these are the numbered of the Levites, after their families: of Gershon, the family of the Gershonites; of Kohath, the family of the Kohathites; of Merari, the family of the Merarites.
And those that were numbered of the Levites were twenty-three thousand, all males from a month old and upward; for they were not numbered among the children of Israel, because there was no inheritance given them among the children of Israel.