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| Stephen I | |
|---|---|
| Ban of Bosnia | |
| Reign | 1287–1314 |
| Predecessor | Prijezda I |
| Successor | Stephen II |
| Born | 1242 Bosnia |
| Died | 1314 Bosnia |
| Burial | |
| Spouse | Elizabeth of Serbia |
| Issue | Vladislaus Ninoslaus Stephen II another son Catherine Mary |
| House | Kotromanić |
| Father | Prijezda I |
| Mother | Elizabeth of Slavonia |
Stephen I Kotromanić (Serbo-Croatian: Стефан I / Stjepan I) (1242–1314) was a Bosnian Ban from 1287 to 1290 jointly with Ban Prijezda II and 1290–1314 alone as a vassal of the Kingdom of Hungary.[1]