1 Chronicles 6:22, 33, 37-38

The sons of Kohath; Amminadab his son, Korah his son, Assir his son

And these are they that waited with their children. Of the sons of the Kohathites: Heman a singer, the son of Joel, the son of Shemuel

the son of Tahath, the son of Assir, the son of Ebiasaph, the son of Korah, the son of Izhar, the son of Kohath, the son of Levi, the son of Israel.