Otto was the son of Christian VIII von Oldenburg-Delmenhorst and Heilwig von Hoya. The date and place of his birth have not been found.
His wife was Richeza van Tecklenburg-Schwerin. They were married, but the date and place have not been found. They had no known children.
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Christian VIII von Oldenburg-Delmenhorst |
Otto II von Oldenburg-Delmenhorst |
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Oda von Sternberg |
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Heilwig von Hoya |
Otto II von Hoya-Nienburg |
Heinrich II von Hoya |
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Jutta von Ravensberg |
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Ermengard von Holstein-Pinneburg |
Heinrich I von Holstein-Rendsburg |
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Heilwig van Bronckhorst |
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| Attribute | Date | Description | Details | Source | Multimedia | Notes |
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| Nobility Title | graf von Oldenburg in Delmenhorst |