Otto, Count of Cleves
|Otto, Count of Cleves|
|Spouse(s)||Mechteld von Virneburg|
|Noble family||House of Cleves|
|Father||Dietrich VII, Count of Cleves|
|Mother||Margaret of Guelders|
|Died||29 October 1310
Otto was the eldest son of Dietrich VII, Count of Cleves (1256–1305) and his first wife Margaret of Guelders.
His first marriage was to Adelheid van der Marck, daughter of Engelbert I, Count of the Mark and secondly to Mechteld von Virneburg, a niece of Heinrich II of Virneburg.
They had one daughter Irmgard of Cleves, who married Adolph II of the Marck and later John IV of Arkel.
When he died in 1310 he was succeeded by his half-brother Dietrich VIII.
- Niederrheins Urkundenbuch, Band III, 96
|Count of Cleves