Category
page 110th-century dukes in Europe
Mieszko I
Duke of Poland
Saint Wenceslaus I, Duke of Bohemia
duke and saint
Boleslaus I, Duke of Bohemia
Duke of Bohemia from 935 to 972

Otto I
Duke of Saxony
Vratislaus I, Duke of Bohemia
Duke of Bohemia

Boleslaus II, Duke of Bohemia
Duke of Bohemia from 972 to 999
Bruno the Great
Archbishop of Cologne
Conrad, Duke of Lorraine
910-955 Duke of Lorraine from the Salian dynasty
Spytihněv I, Duke of Bohemia
Duke of Bohemia

Richard, Duke of Burgundy
Duke of Burgundy (858-921)
Bernard I
Duke of Saxony
Gilbert, Duke of Lorraine
Duke of Lotharingia
Liudolf, Duke of Swabia
German noble
Henry I, Duke of Burgundy
Duke of Burgundy from 965 to 1002
Otto I, Duke of Carinthia
Duke of Carinthia
Hugh the Black
10th-century duke of Burgundy
Otto, Duke of Burgundy
Duke of Burgundy
Gilbert, Duke of Burgundy
Frankish noble
Herman II, Duke of Swabia
German noble (died 1003)

Reginar I Longneck
Lotharingian noble
Burchard II of Swabia
Duke of Swabia
Herman I, Duke of Swabia
German noble
Burchard III, Duke of Swabia
Duke of Swabia from 954 to 973
Conrad I
Duke of Swabia from 983 until 997
Erchanger, Duke of Swabia
Duke of Swabia
Otto, Duke of Lorraine
Duke of Lotharingia
Eberhard of Franconia
Duke of Franconia
Godfrey I, Duke of Lower Lorraine
Dutch noble
Conrad, Duke of Thuringia
Frankish noble
Burchard I, Duke of Swabia
Duke of Swabia
Burchard, Duke of Thuringia
German noble
Gelou
thumb|Gelou. Statuary in Gilău, Cluj|Gilău, Romania
thumb|right|alt=A page from an old codex presenting a large green P initial decorated with tendrils|First page of the lone manuscript preserving the text of the Gesta Hungarorum, the only [[chronicle which mentions Gelou]]
Gelou (; ) was the Vlach ruler of Transylvania at the time of the Hungarian conquest of the Carpathian Basin around 900 AD, according to the Gesta Hungarorum. Although the Gesta Hungarorum, which was written after 1150, does not indicate the enemies of the conquering Hungarians (Magyars) known from earlier annals and chroni
Mastalo II di Amalfi
Italian noble
Sergius I of Amalfi
Italian duke