 In 1433, Iliaş pledged his vassalage to Władysław II Jagiełło, Jagiellon King of Poland.He married Maria, a scion of the Olshanski family of Lithuanian nobility (granddaughter of Ivan Olshanski and sister of Władysław II's wife, Sophia of Halshany).Iliaş and Maria had at least two sons, Roman II and Alexăndrel.