Obadiai Exilarch of Jews in Babylon
Obed of Israel
Obert I Count of Lucca, Marquis of Italy 912-?
Obert II Count or Marquis of Italy ?-1018
Ocean of Greek mythology
Ocha Prince of Persia
Octavia Empress of Rome
Octavia Minor of Rome
Octavia Princess of Rome
Octavius Laenas of Rome
Octavius or Eudaf Hen King of Wales (Ewyas) 283-?
Octha King of Kent ?-540
Oda III of Saxony ?-912
Oda IV of Saxony
Oda of Bavaria 820-?
Oda of Lausatia 1017-?
Oda of Niederlausitz ?-1068
Oda of Saxony 875-?
Oda of Schwerin ?-1219
Oda of Tecklenburg 1174-1244
Oda of Verdun ?-1044
Oda of Walbeck ?-1152
Oda of Werl ?-1111
Oda of Wölpe 1150-1191
Ode of Lower Lorraine 1006-1053
Odgisle Sunesson LILLIE 1355-1384
Odo Count of Lodeve ?-1048
Odomir King of the Franks ?-128
Odon (Eudes) Count of Toulouse 864-918
Odon Count of Narbonne ?-933
Odoscer (Odacre) Count of Flanders 810-?
Oduulf of the Ostrogoths
Oeneus King of Calydon
Oenomaus King of Pisa
Ofeig "Burlufótr" Ivarsson
Offa King of Britain (Mercia)
Offe Andersen til Torup HVIDE 1292-1350
Offe Stigsen til Eskebjerg HVIDE 1322-1359
Ogive (Cunegonde) of Luxemburg 995-1030
Ogmund Kåreson
Ogmund Torbergson of Giske ?-1050
Ola Botolvson Indre Sundve 1632-1711
Olaf "Gierstad-Alf" Haraldsson King of Norway (Viken) 898-934
Olaf Bosson OXEHUFVUD 1465-?
Olaf Holdt 1878-1918
Olaf III "Skotkonung" Eriksson King of Sweden 950-1022
Olaf III (Den stille) Kyrre King of Norway 1050-1093
Olaf King (legendary) of the Danes ?-400
Olaf Theodor "farbror" Marstrand 1876-1952
Olafr Feilan of Iceland 870-?
Olafr Geirstade King of Norway (Vestfold) 770-840
Olafr Hviti King of Dublin ?-871
Olav Anderssen Lisseim 1642-?
Olav Gudleikson Opheim 1688-1739
Olav Gunnuson Tjomsaas 1615-?
Olav Guskalkson Opheim 1737-?
Olav Håkonsson til Nesøen KJÆLINGSMULE 1399-1458
Olav til Tom of Norway ?-1317
Olav Trygvason King of Norway 968-1000
Olav Træhuggeren King of Norway (Vestfold) ?-710
Olav V King of Norway 1370-1387
Olav Velomsen 1869-1961
Old concubine of Kiew
Oldrich Duke of Bohemia 966-1034
Ole Gunnusen Tjomsaas 1723-1783
Ole Holdt 1936-?
Ole Nielsen 1776-1851
Ole Sørensen 1770-?
Ole Worm 1588-1654
Olga Jensen 1908-?
Olga Princess of Russia 881-?
Oline Kristine Larsen 1885-1965
Oliva I Count of Carcassonne 783-837
Oliva II Count of Carcassonne 815-879
Ollegard Turesdotter 1449-1495
Olof "Mitkg" Björnsson King of Sweden 885-?
Olof "the White" Ingjaldsson King of Ireland 840-871
Olof Arvidsson STENBOCK 1478-?
Olof Jonsson 1442-?
Olof Jonsson STENBOCK 1390-?
Olof KASE
Olof Olofsen KASE 1318-1348
Oloros Halimousios of Greece
Oloros King of Thrace
Oluf 2. King of Denmark ?-1143
Oluf af Bavelse GLUG ?-1247
Oluf Andersen til Odden LUNGE 1408-1473
Oluf Axelsen til Vallø THOTT 1414-1464
Oluf Bjørnsen til Stensgaard BJØRN 1260-?
Oluf Bjørnsen til Stensgaard BJØRN 1320-1381
Oluf Ebbesen Pincerna til Bavelse GLUG ?-1250
Oluf Eskildsen KRUMPEN 1308-1326
Oluf FRIIS 1240-?
Oluf GLOB 1290-?
Oluf I Hunger King of Denmark 1052-1095
Oluf Jensen af Tystofte SALTENSEE 1326-1377
Oluf Jørgensen 1532-1586
Oluf Lauridsen til Orebygaard BLAA 1446-1504
Oluf Lisseim
Oluf Lunge 1247-?
Oluf LUNGE 1272-1302
Oluf Lunge 1281-?
Oluf LUNGE 1364-?
Oluf Nielsen til Vallø ROSENKRANTZ 1512-1545
Oluf Olufsen af Odden LUNGE 1423-1473
Oluf Olufsen LUNGE 1302-1321
Oluf Olufsen til Mosegaard LUNGE 1330-1386
Oluf Pedersen af Nytorp GODOV 1329-1398
Oluf Pedersen til Hødvit GODOV 1438-1469
Oluf Stigsen den rige KROGNOS 1417-1426
Oluf Stigsen til Krapperup KROGNOS 1469-1507
Oluf til Gjennerup og Løjstrup SOMMER 1430-1492
Oluf til Raunstrup DAA 1489-1532
Oluf til Raunstrup DAA 1547-1600
Oluf Tokesen SALTENSEE 1240-1310
Olympias of Larissa
Olympias of Macedonia
Olympias Princess of Epirus
Olympias Queen of Macedonia
Ommace of Averne
Omortag-Khan King (Khan) of Bulgaria ?-831
Omund Tjomsaas 1550-?
Oncea Lucides of Bierzo
Oneca Fortun of Saragossa 847-?
Oneca Princess of Pamplona
Oneca Queen of Pamplona
Onias I High Priest of Israel
Onias II High Priest of Israel
Onund Ingvarsson King of Sweden (myth) 638-?
Ophelia Malling 1839-1874
Ordono I King of Asturias 830-?
Ordono II King of Leon 873-924
Ordono III King of Leon 926-956
Ordulf Duke of Saxony 1020-1072
Oreguen of Bretagne
Orestes (Åstad) Keldorsson FARLA 1263-1299
Orestes King of Macedonia
Orestes of Tagos of Thessaly of Greece
Oria of Saragossa
Orla Lehmann 1810-1870
Orodes I King of Parthia
Orodes III King of Parthia
Orontes of Bactria
Orseis the nymph of Greek mythology
Orthagoras King (or Tyrant) of Sicyon
Osa Jonsdotter Kjorning 1350-1390
Osa Nielsdatter HVIDE 1230-?
Osburh of Wright Queen of England 810-852
Ose Jonsdatter af Heireholm KYRNING 1330-?
Osoche of Brittany 560-?
Osochor Akheperre King of Egypt
Osorkon High Priest of Amon at Thebes
Osorkon High Priest of Ptah at Memphis
Osorkon I Sekhemkheperre King of Egypt
Osorkon II Prince of Egypt (Heraclepolis)
Osorkon King of Egypt
Osorkon Prince of Egypt (Sais)
Ostanes Prince of Persia
Ostogotho (Ariadne) Princess of the Ostrogoths
Ostrida Regenwaldsdatter 990-?
Ostrogotho King of the Ostrogoths
Otanes II Prince of Persia
Otanes Prince of Persia
Othelendis of Nordmark ?-1044
Otilo Duke of Bavaria
Otte Clausen til Skibelundgaard HUITFELDT 1450-1529
Otte Jensen MARKMAND 1370-1401
Otte Poulsen til Rødkilde HVIDE 1462-1498
Otte SESTED 1366-1416
Otte TINHUS (SKINKEL) 1366-1430
Otte van der Knobe KNOB 1411-1430
Otto "the famous" Duke of Saxony 836-?
Otto "the rich" von Ballenstedt Duke of Saxony 1075-1123
Otto (Nordheim) Duke of Bavaria ?-1083
Otto Blixe SESTED 1332-?
Otto BYDELSBAK 1360-1387
Otto der Erlauchten of Saxony 880-?
Otto Guilleaume Duke of Burgundy 958-1026
Otto Holgersen til Boller ROSENKRANTZ 1486-1525
Otto I "The Great" Emperor of Holy Roman Empire
Otto I Count of Brandenburg 1126-1184
Otto I Count of Savoy and Maurienne 990-1060
Otto I Count of Scheyern ?-1072
Otto I Count of Weimar 877-?
Otto I the child Duke of Braunschweig-Lüneburg 1204-1252
Otto II Count of Diessen Thanning 1033-1120
Otto II Count of Scheyern ?-1110
Otto II Count of Weimar-Orlamünde ?-1067
Otto II Duke of Carinthia 978-1004
Otto II Duke of Swabia
Otto II Emperor of Holy Roman Empire 955-?
Otto III Count of Brandenburg (Askanier) 1220-1267
Otto IV Count of Wittelsbach ?-1189
Otto IV Emperor of Germany ?-1218
Otto Jens Paludan 1760-1814
Otto Jørgensen Grundtvig 1704-1772
Otto LIMBEK 1279-?
Otto Margrave of Meissen Count of Meissen 1140-1190
Otto MARSVIN 1573-1647
Otto Nielsen til Hevringholm ROSENKRANTZ 1420-1475
Otto of Are and Hostaden
Otto of Lorraine 890-955
Otto Paludan 1728-?
Otto Pedersen til Undevad von DEDEN 1533-1626
Otto Petersen til Nørregaard von DEDEN 1406-?
Otto Petersen Von DEDEN 1466-?
Otto PLETZEN 1270-?
Otto POGWISCH 1274-?
Otto Reimersen SESTED 1330-?
Otto ROSENKRANTZ 1525-1557
Otto SESTED 1390-?
Otto Strangesen til Tange BILD 1352-1397
Otto til Bramslykke og Kjærstrup von SCHACK 1671-1719
Otto til Breselenz von Dannenberg
Otto til Bülck RANTZAU 1450-1511
Otto til Heirede KABEL 1388-1429
Otto til Iversnæs SKINKEL 1400-1449
Otto til Katholm SKEEL 1605-1644
Otto til Klarupgaard STAMPE 1451-1477
Otto til Klein Nienhagen von SCHACK 1590-1631
Otto til Møgelkjær RUD 1520-1565
Otto til Rakyl RANTZAU 1367-1402
Otto Tygesen til Knudstrup BRAHE 1518-1571
Otto van Schinkele SKINKEL 1328-1410
Otto von SCHACK 1459-1468
Otto Vrese FRIIS 1485-?
"Otto" Vilhelm Storm CASTONIER 1903-1964
Ottone (Pietro) Orseolo Duke of Venice (Doge) 970-?
Otyuru King of China (Hsiung-nu)
Ouda (Hilaria) of Goseck ?-1088
Oudicant King of Britain (Roman) ?-210
Oumun Prince of Britain (Roman)
Outigern King of Britain (Roman) ?-184
Ove Gerner Ricardy 1933-1989
Ove Holdt 1916-?
Ove Holgersen VIND 1665-1722
Ove Jakobsen til Nielstrup LUNGE 1369-1460
Ove LUNGE til Odden DYRE 1548-1601
Ove Nielsen PANTER 1314-1347
Ove NN JERNSKJÆG 1302-?
Ove PANTER 1240-?
Ove RANTZAU 1448-1500
Ove Tagesen til Vingegaard REWENTLOW 1433-1483
Ove til Tommerup GIEDDE 1594-1660
Ove til Ørumgaard SKALE
Ove Vincentsen til Tirsbæk DYRE-LUNGE 1474-1540
Owain ap Beli King of Wales (celt myth) 100-?
Oxathres King (or Tyrant) of Heraclea
Oxathres Prince of Persia
Oxyartes of Bactria
Ozi High Priest of Israel
Ozorkon II Usermare Setepenamun King of Egypt