Béla I of Hungary

Béla was born around 1015 into a younger branch of the Árpád dynasty, baptized Adalbert. In 1031, after their father Vazul was executed, he fled Hungary with his brothers Levente and Andrew, settling in Poland where he married Richeza, daughter of King Mieszko II Lambert. Years later his brother Andrew, now King of Hungary, invited him home and granted him control of the ducatus — roughly a third of the kingdom. The arrangement soured when Andrew crowned his own son Solomon and forced Béla to publicly recognize the boy's succession rights in 1057 or 1058. Béla rallied his Polish relatives, ros…