Here is a list of these musicians and their family lines:Heman from the Kohathite clan was the director. His ancestors went all the way back to Jacob and included Joel, Samuel, Elkanah, Jeroham, Eliel, Toah, Zuph, Elkanah, Mahath, Amasai, Elkanah, Joel, Azariah, Zephaniah, Tahath, Assir, Ebiasaph, Korah, Izhar, Kohath, Levi.