Surname I
Discover a comprehensive list of notable celebrities who share the illustrious surname I. From acclaimed actors like Hugh Jackman and Daniel Day-Lewis to iconic singers such as Iggy Pop and John Lennon, this page showcases a diverse array of famous individuals who have left an indelible mark on the world.
Leopold I
Belgium
BelgiumKing of the Belgians from 1831 to 1865.
Innokentiy I
Vatican
VaticanSaint, pope since 401.
Albert I
Belgium
BelgiumKing of the Belgians since December 17, 1909. From the Saxe-Coburg-Gotha dynasty.
Baudouin I
Egypt
EgyptCount of Edessa, King of Jerusalem (1100-1118)
Adrian I
Italy
ItalyPope from February 9, 772 to December 25, 795, a Roman from the family of the consul and Duke Theodatus.
Kadashman-Enlil I
Kassite king of Babylonia
Guillaume I
Count of Nevers and Auxerre from 1040
Ariarat I
King of Cappadocia, reigned in 350 BC.
Nikifor I
Greece
GreeceByzantine emperor who reigned from 802 to 811.
Dedo I
Count in Northern Gassegau
Ashur-uballit I
Iraq
IraqKing of Assyria, reigned approximately 1365 – 1329 BC.
Adolf I
Count of Cleves
Boleslaw I
Poland
PolandPolish prince (992–1025) and king (1025), son of Mieszko I
Odo I
France
FranceCount of Blois, Chartres and Tours from 978
Xerxes I
Persian king, reigned from 486 to 465 BC.
Konrad I
Duke of Carinthia from 1004 to 1011 from the Salian dynasty
Baibars I
Egypt
EgyptMamluk Sultan of Egypt and Syria (1260-1277) from the Bahri dynasty
Hamilcar I
King of Carthage, who ruled in the early 5th century BC.
Guaimar I
Prince of Salerno in 880-900/901, son of Prince Guefer. The chronicles of his reign characterize the prince as despotic and unpopular
Christian I
Germany
GermanyKing of Denmark, Norway and Sweden
George I
Great Britain
Great BritainKing of England from 1714, the first representative of the Hanoverian dynasty
Karl I
Austria
AustriaAustrian Emperor
Ibrahim I
Turkey
TurkeyOttoman Sultan, reigned 1640–1648
Ahmed I
Turkey
TurkeySultan of the Ottoman Empire (December 21, 1603–1617).
Ferdinand I
Austria
AustriaEmperor of Austria (1835-1848) and King of Hungary and Bohemia
Duncan I
Great Britain
Great BritainKing of Strathclyde from 1018, King of Alba
Ilias I
Lord of the Moldavian Principality in 1432-1433 and 1435-1443
Anselmo I
Italy
ItalyArchbishop of Milan
Justinian I
Turkey
TurkeyByzantine Emperor (527-65)
Conrad I
Count of Luxembourg from 1059 to 1086.
Ludovik I
France
FranceEmperor of the Frankish Empire
Zipoetes I
King of Bithynia, reigned from 298 to 278 BC.
Artaxerxes I
Persian king from the Achaemenid dynasty, ruled 465-424 BC. e.
Aleksander I
Russia
RussiaRussian Emperor
Pherdinand I
Italy
ItalyKing of Castile and Leon
Bartholomew I
Italy
ItalyReligious figure
William I
King of Württemberg from October 30, 1816
Godfrey I
France
FranceCount of Louvain and Landgrave of Brabant
Mieszko I
Poland
PolandThe first historically reliable Polish prince
Welf I
The founder of the Elder Welf dynasty
Willem I
Netherlands
NetherlandsThe first king of the Netherlands
Bela I
Hungary
HungaryHungarian king of the Arpad dynasty in 1061-1063
Moshveshve I
South Africa
South AfricaA leader of the Sotho (Basotho) people who united them against the British and Boer colonists.
Henry I
France
FranceCount of Champagne and Brie (1152-1181), eldest son of Thibaut II the Great, Count of Champagne and Matilda of Carinthia. Brother of Queen Adele of Champagne, wife of King Louis VII of France.
Hugh I
Count of Vermandois and Valois, son of the King of France Henry I and Anna Yaroslavna
Basarab I
Romania
RomaniaLord of Wallachia from 1310/1319 to 1352.
Adalberto I
Margrave of Ivrea from 898/902, son of Margrave Anscar I.
Abbas I
Iran
IranShah of Iran (from May 1587) from the Safavid dynasty, a major military leader.
Kadashman-harbe I
Kassite king of Babylon, ruled in the 14th century BC.
Sigismundus I
Poland
PolandKing of Poland and Grand Duke of Lithuania from 1506, from the Jagiellonian dynasty, took (1525) the feal oath of the Prussian Duke Albrecht of Hohenzollern. In 1526 he included Mazovia into Poland.