The generations are numbered from the ascension of Frederick August I as Duke of Oldenburg in 1774 and remain unchanged even when its ruler became Grand Duke. This list is not meant to be comprehensive as it includes only duchesses with articles. | |
| 1st Generation |
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| 2nd Generation | |
| 3rd Generation | |
| 4th Generation | |
| 5th Generation | |
| 6th Generation | |
All Duchesses were also by right Princesses of Holstein-Gottorp by marriage | |
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