István was born in DEC 1239 in Buda (Ofen), Budapest , Közép-Magyarország, Magyarország , the son of unknown parents.
He died on 06 AUG 1272 in l'île Csepel.
His wife was Erzsébet Kun, who he married in ABT 1253. The place has not been found. Their three known children were Ágnes (c1260-c1281), Erzsébet (c1255-1313) and Katalin (c1256->1314).
| Event | Date | Details | Source | Multimedia | Notes | ||
|---|---|---|---|---|---|---|---|
| Birth | DEC 1239 |
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| Death | 6 AUG 1272 |
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continued in Bourbon tree