Adolf I, Count of Nassau-Siegen

Adolf I, Count of Nassau-Siegen
Adolf I, Count of Nassau-Siegen
Count of Diez; Count of Nassau-Siegen; Count of Vianden;
Coat of arms
Reign	1384–1420 (Diez); 1416–1420 (Nassau-Siegen); 1417–1420 (Vianden);
Predecessor	Gerhard VII (Diez); John I (Nassau-Siegen); Elisabeth of Sponheim-Kreuznach (Vianden);
Successor	Godfrey VII of Eppstein-Münzenberg (half Diez); John II with the Helmet (Nassau-Siegen, Vianden and half Diez); Engelbert I (Nassau-Siegen, Vianden and half Diez); John III the Younger (Nassau-Siegen, Vianden and half Diez);
Full name	Adolf I, Count of Nassau-Siegen
Native name	Adolf I. Graf von Nassau-Siegen
Born	1362
Died	12 June 1420
Noble family	House of Nassau-Siegen
Spouse(s)	Jutta of Diez; Kunigonda of Isenburg-Limburg;
Issue; Detail	Jutta
Father	John I of Nassau-Siegen
Mother	Margaret of the Mark

Count Adolf I of Nassau-Siegen (1362 – 12 June 1420), German: Adolf I. Graf von Nassau-Siegen, was since 1384 Count of Diez, through his first marriage. With his brothers, he succeeded his father in 1416 as Count of Nassau-Siegen (a part of the County of Nassau), and also inherited the County of Vianden in 1417. He descended from the Ottonian Line of the House of Nassau.

Adolf I, Count of Nassau-Siegen
Count of Diez Count of Nassau-Siegen Count of Vianden
Coat of arms
Reign	1384–1420 (Diez) 1416–1420 (Nassau-Siegen) 1417–1420 (Vianden)
Predecessor	Gerhard VII (Diez) John I (Nassau-Siegen) Elisabeth of Sponheim-Kreuznach (Vianden)
Successor	Godfrey VII of Eppstein-Münzenberg (half Diez) John II with the Helmet (Nassau-Siegen, Vianden and half Diez) Engelbert I (Nassau-Siegen, Vianden and half Diez) John III the Younger (Nassau-Siegen, Vianden and half Diez)

Full name	Adolf I, Count of Nassau-Siegen
Native name	Adolf I. Graf von Nassau-Siegen
Born	1362
Died	12 June 1420
Noble family	House of Nassau-Siegen
Spouse(s)	Jutta of Diez Kunigonda of Isenburg-Limburg
Issue Detail	Jutta
Father	John I of Nassau-Siegen
Mother	Margaret of the Mark