King Andrew I was the first king who had his son, Solomon crowned during his life in order to ensure his son's succession (1057). However, the principle of agnatic primogeniture was not able to overcome the tradition of seniority, and following King Andrew I, his brother, King Béla I (1060–1063) acquired the throne despite the claims of the young Solomon. From 1063 until 1080 there were frequent conflicts between King Solomon (1057–1080) and his cousins, Géza, Ladislaus and Lampert who governed the "Tercia pars regni". Duke Géza rebelled against his cousin in 1074 and was proclaimed king by his partisans in accordance with the principle of seniority. When King Géza I died (25 April 1077) his partisans, disregarding his young sons, proclaimed his brother Ladislaus king.