| OLDENBURG, Christian III of , Count of Oldenburg | D. 1192
| OLDENBURG, Christian of | B. 1459 | D. 27 MAY 1492
| OLDENBURG, Christian V (VI) of |
| OLDENBURG, Christian VII of , Count of Oldenburg | D. 1423
| OLDENBURG, Christian William | B. 1 DEC 1672 |
| OLDENBURG, Christiane Charlotte | B. 18 JAN 1679 |
| OLDENBURG, Daughter | B. 25 JAN 1700 |
| OLDENBURG, Daughter | B. 17 FEB 1695 |
| OLDENBURG, Daughter | B. 21 JAN 1694 |
| OLDENBURG, Daughter | B. 23 MAR 1693 |
| OLDENBURG, Daughter | B. 12 MAY 1684 | D. 12 MAY 1684
| OLDENBURG, Daughter | B. 17 JUL 1682 |
| OLDENBURG, Daughter of |
| OLDENBURG, Dorothea | B. 16 NOV 1657 |
| OLDENBURG, Dorothea of Denmark | B. 10 NOV 1520 | D. 20 SEP 1580
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| OLDENBURG, Dorothy of Denmark | B. 29 AUG 1546 | D. 6 JAN 1617
| OLDENBURG, Egilmar II of , Count of Oldenburg | B. 1108 | D. 3 SEP 1142
| OLDENBURG, Elisabeth of | B. 1468 | D. 12 SEP 1505
| OLDENBURG, Elizabeth | B. 16 MAR 1606 | D. 24 OCT 1608
| OLDENBURG, Elizabeth | B. 14 OCT 1524 | D. 15 OCT 1586
| OLDENBURG, Elizabeth | B. 25 AUG 1573 | D. 19 JUN 1626
| OLDENBURG, Ernst |
| OLDENBURG, Franz | B. 15 JUL 1497 | D. 1 APR 1511
| OLDENBURG, Frederica Amalie | B. 11 APR 1649 | D. 30 OCT 1704
| OLDENBURG, Frederick | B. 15 AUG 1599 | D. 9 SEP 1599
| OLDENBURG, Frederick | B. 11 OCT 1651 | D. 14 MAR 1652
| OLDENBURG, Frederick , Baron von Hildesheim | B. 13 APR 1532 |
| OLDENBURG, George | B. 17 APR 1692 | D. 17 APR 1692
| OLDENBURG, George of Denmark , Prince of Denmark | B. 2 APR 1653 | D. 28 OCT 1708
| OLDENBURG, Gerhard of | B. 1454 | D. 1470
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| OLDENBURG, Gertrud of |
| OLDENBURG, Hedwig of | D. 22 FEB 1502
| OLDENBURG, Hedwig of Denmark | B. 5 AUG 1581 | D. 26 NOV 1641
| OLDENBURG, Heilwich of | D. 1189
| OLDENBURG, Henry of , Count of Oldenburg | D. BEF. 1256
| OLDENBURG, Ingeburg of |
| OLDENBURG, Irmgard of |
| OLDENBURG, Johann | B. 28 JUN 1524 |
| OLDENBURG, Johann | B. 9 JUL 1583 |
| OLDENBURG, Johann |
| OLDENBURG, John III of |
| OLDENBURG, John of Denmark | B. 21 FEB 1518 | D. 2 AUG 1532
| OLDENBURG, John XVI , Count of Oldenburg | B. 9 SEP 1540 | D. 12 NOV 1603
| OLDENBURG, Jutta of | D. AFT. 1367
| OLDENBURG, Magdalene of | B. 6 OCT 1585 | D. 4 APR 1657
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| OLDENBURG, Magnus of Denmark , King of Livonia | B. 14 AUG 1540 |
| OLDENBURG, Marie Elisabeth of |
| OLDENBURG, Mary | B. 14 OCT 1690 | D. 24 OCT 1690
| OLDENBURG, Mary | B. 2 JUN 1685 | D. 8 FEB 1687
| OLDENBURG, Maximilian | B. 4 JUL 1519 | D. 1519
| OLDENBURG, Moritz (II) of | D. 1368
| OLDENBURG, Olaf | B. 29 SEP 1450 |
| OLDENBURG, Otto of | D. 17 FEB 1500
| OLDENBURG, Otto of | D. 22 JUL 1184
| OLDENBURG, Philipp | B. 4 JUL 1519 | D. 1520
| OLDENBURG, Son | B. 1598 | D. 1598
| OLDENBURG, Son | B. 15 SEP 1698 |
| OLDENBURG, Son | B. 1697 |
| OLDENBURG, Son | B. 20 SEP 1696 |
| OLDENBURG, Son | B. 22 OCT 1687 |
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| OLDENBURG, Son | B. JAN 1523 | D. JAN 1523
| OLDENBURG, Sophie | B. 4 JAN 1605 | D. 7 SEP 1605
| OLDENBURG, Sophie Hedwig | B. 28 AUG 1677 |
| OLDENBURG, Twins | B. 25 MAR 1697 |
| OLDENBURG, Ulrica Eleanor of Denmark | B. 11 SEP 1656 | D. 6 AUG 1693
| OLDENBURG, Ulrich | B. 2 FEB 1611 | D. 12 AUG 1633
| OLDENBURG, Ulrich | B. 1578 |
| OLDENBURG, Wilhelmine Ernestine | B. 20 JUN 1650 | D. 22 APR 1706
| OLDENBURG, William | B. 21 FEB 1687 |
| OLDENBURG, William of Gloucester | B. 24 JUL 1689 | D. 30 JUL 1700
| OLDENBURG-ALT-BRUCHHAUSEN, Hedwig of |
| OLDENBURG-ALTBRUCHHAUSEN, Burchard of |
| OLDENBURG-ALTBRUCHHAUSEN, Helene of |
| OLDENBURG-ALTBRUCHHAUSEN, Henry III of | D. 27 MAY 1234
| OLDENBURG-ALTBRUCHHAUSEN, Hildebald II of |
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