Otto II of Nassau
| 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 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.
Otto married Adelheid of Vianden, daughter of Philip of Vianden and Adelheid of Arnsberg. They had four children:
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