Otto IV, Count of Ravensberg
| Otto IV | |
|---|---|
| Count of Ravensberg | |
| Spouse(s) | Margaret of Berg-Windeck |
| Noble family | House of Calvelage-Ravensberg |
| Father | Otto III of Ravensberg |
| Mother | Hedwig of Lippe |
| Born | c. 1276 |
| Died | 1328 |
Otto IV, Count of Ravensberg (c. 1276 – 1328) was a German nobleman. He was the ruling Count of Ravensberg from 1306 until his death.
Otto was the fifth child of Count Otto III and his wife Hedwig of Lippe (c. 1238 – 5 March 1315), daughter of Bernard III, Lord of Lippe.
In 1313, Otto IV married Margaret of Berg-Windeck. Together, they had two daughters:
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