House of Op den Graeff (Krefeld)
Cadet branch of the House of Op den Graeff (female line)
- Coat of Arms
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House of Op den Graeff
Burghers of the Duchy of Cleves and the City of Krefeld
- Cadet Branches
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House of Updegraff
US branch; Landowners and Burghers of the Province of Pennsylvania
Issued from Abraham Isaacs den Graeff -
House of Updegrove
US branch; Burghers of the Province of Pennsylvania
Issued from John William (Johan Wilhelm) op den Graeff
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