List of kings of Leinster

The kings of Leinster (Irish: Ríthe na Laighean) ruled from the establishment of Leinster during the Irish Iron Age until the 17th century Early Modern Ireland. According to Gaelic traditional history found in works such as the Book of Invasions, Leinster was created during the division of Ireland among the Irish Gaels, descendants of Milesius: Leinster was one of the territories held by the offspring of Heremon.

Source: Wikipedia — List of kings of Leinster (CC BY-SA 4.0)