Otto II of Nassau

Otto II of Nassau (c. 1305 – 1351) was a German nobleman. He was a Count of Nassau-Dillenburg in Siegen and Dillenburg, and was a son of Count Heinrich of Nassau and Adelheid of Heinsberg.[1]

Otto II of Nassau
Born	c. 1305
Died	6 January 1351 (aged 45–46)
Noble family	House of Nassau
Spouse(s)	Adelheid of Vianden
Father	Heinrich of Nassau
Mother	Adelheid of Heinsberg

Otto married Adelheid of Vianden, daughter of Philip of Vianden and Adelheid of Arnsberg. They had four children:[2]

• Adelheid of Nassau, who became a nun at Keppel, and later became an Abbess.
• Johan I of Nassau who married Margareta von der Marck.
• Heinrich "the Swashbuckler" (died 5 September 1402 in Kassel) became a Canon at the Cologne Cathedral.
• Otto of Nassau, first a canon and provost of St. Moritz at Mainz, and later canon at Cologne and Mainz cathedrals.

References

1. De Nederlandsche leeuw: Maandblad van het Koninklijk Nederlandsch Genootschap voor Geslacht- en Wapenkunde, Volume 8, 1890, pg 90-91
2. Cawley, Charles, House of Nassau, Medieval Lands database, Foundation for Medieval Genealogy, at Medieval Lands

• Eduard Ausfeld (1887), "Otto II., Graf von Nassau", Allgemeine Deutsche Biographie (ADB) (in German), 24, Leipzig: Duncker & Humblot, pp. 707–708