King of the Slavs

King of the Slavs (rex Sclavorum, Sclavorum rex) was a title denoting some Slavic rulers, as well as Germanic rulers that conquered Slavs, in the Middle Ages in European sources, such as Papal correspondence.

Papal use is bolded.


 * Slavic


 * Samo, ruler of Samo's Empire and the "Slavs" (623–658); in the Frankish Annals
 * Drogoviz, ruler of the Veleti (789); in Annales Mettenses priores in c. 805
 * Trpimir I, ruler of Duchy of Croatia (845–864); erroneously by Gottschalk in the 840s
 * Svatopluk I of Moravia, ruler of Great Moravia (870–894); by Pope Stephen V in 885
 * Michael, ruler of Zachlumia (913–926); erroneously in the Annales Barenses
 * Mihailo Vojislavljević, ruler of Duklja (1050–1081); by Pope Gregory VII in 1077
 * Constantine Bodin (Bodin Vojislavljević), ruler of Duklja (1081–1101); by the chronicle of Orderic Vitalis, relating to events of 1096
 * Stefan Dragutin, ruler of Kingdom of Serbia (1276–1282) and Syrmia (Realm of Stefan Dragutin; 1282–1316); by Pope Nicholas IV in 1288


 * Non-Slavic
 * Canute Lavard, Danish prince (1120–1131); by Abbott Wilhelm after 1129