Mezue ahịrịokwu na-esonụ: Nnukwu Duke Vytautas Onye Ukwu (chịrị 1392<unk>1430) nwara inweta okpueze ndị Katọlik. Na
Nzukọ nke Lutsk na 1430, Sigismund, Eze nke Hungary bụ onye a ka ga-ahọpụta ịbụ Emperor Rome dị nsọ, nyere Vytautas okpueze ma kwupụta Lithuania alaeze (nke a na-eche na ọ bụ alaeze). Ọ rụpụtaghị ihe ọ bụla, n'ihi mmegide sitere n'aka ndị isi Polish na mgbe e mesịrị site n'aka nwa nwanne nna ya Władysław II Jagiełło. Dị ka ụfọdụ ndị ọkọ akụkọ ihe mere eme si kwuo, Sigismund zigara okpueze ahụ na Lithuania, mana ndị agha Polish jidere ya, mana n'eziokwu, Sigismund zigara naanị akwụkwọ ndị na-atụ aro njikọ dị n'etiti ya, Vytautas na Teutonic Order, na ikpe sitere n'aka ndị ọkachamara iwu na onye bishọp nke Vilnius nwere ike ịme ya. N'oge na-adịghị anya mgbe nke ahụ gasịrị, Vytautas nwụrụ n'abụbeghị eze Katọlik.