And the descendants of Bela from Ard and Naaman were the Ardite clan from Ard and the Naamite clan from Naaman.
Jewish Publication Society of America Version (JPS1917) - Numbers 26:40 >And the sons of Bela were Ard and Naaman; of Ard, the family of the Ardites; of Naaman, the family of the Naamites.