Gilead had sons: Jezer, from whom is the family of the Jezerites; and Helek, from whom is the family of the Helekites
Other versions
King James Version
These are the sons of Gilead: of Jeezer, the family of the Jeezerites: of Helek, the family of the Helekites: English Standard Version
These are the sons of Gilead: of Iezer, the clan of the Iezerites; of Helek, the clan of the Helekites;New International Version
These were the descendants of Gilead: through Iezer, the Iezerite clan; through Helek, the Helekite clan;