The sons of Korah were Assir, Elkanah, and Abiasaph. These were the Korahite clans.
TSK
TSK · Numbers 26:11
مراجع Treasury of Scripture Knowledge في NET.
They and all that they had went down alive into the pit, and the earth closed over them. So they perished from among the community.
Meraioth was the father of Amariah, and Amariah was the father of Ahitub.
Shallum son of Kore, son of Ebiasaph, son of Korah, and his relatives from his family(the Korahites) were assigned to guard the entrance to the sanctuary. Their ancestors had guarded the entrance to the LORD’s dwelling place.
For the music director; by the Korahites, a well-written song. O God, we have clearly heard; our ancestors have told us what you did in their days, in ancient times.
For the music director; by the Korahites; according to the alamoth style; a song. God is our strong refuge; he is truly our helper in times of trouble.
A song, a psalm by the Korahites. The LORD is great and certainly worthy of praise in the city of our God, his holy hill.
A psalm by Asaph. El, God, the LORD has spoken, and summoned the earth to come from the east and west.