The Jagiellonian dynasty (/ˈjɑːɡjəˈloʊniən/, Polish: dynastia jagiellońska), otherwise the Jagiellon dynasty (Polish: dynastia Jagiellonów), the House of Jagiellon (Polish: Dom Jagiellonów), or simply the Jagiellons (Polish: Jagiellonowie), was the name assumed by a cadet branch of the Lithuanian ducal dynasty of Gediminids upon reception by Jogaila, the Grand Duke of Lithuania, of baptism as Władysław in 1386, which paved the way to his ensuing marriage to the Queen Regnant Jadwiga of Poland, resulting in his ascension to the Crown of the Kingdom of Poland as Władysław II Jagiełło (initially ruling jure uxoris jointly with Hedwig until her death), and the effective promotion of his branch to a royal dynasty. The Jagiellons reigned in several Central European countries between the 14th and