Countesses of Oldenburg Gräfinen von Oldenburg Records #5 Holders Family filter On/Off Anna, countess of Oldenburg-Delmenhorst * 1605 Clara, countess of Oldenburg * 1606 Johanna Dorothea Charlotte, countess of Oldenburg Katharina, countess of Oldenburg * 1582 Sidonie, countess of Oldenburg * 1611 Corrections and Updates To suggest a correction or an update. Click Here