Ivan Kőszegi

Ivan Kőszegi
Palatine of Hungary
Reign	1281 1287–1288 1302–1307
Predecessor	Peter Csák (1st term) Makján Aba (2nd term) Stephen Ákos (3rd term)
Successor	Matthew Csák (1st term) Amadeus Aba (2nd term) several office-holders (3rd term)
Spouse(s)	unknown
Issue Gregory John
Noble family	House of Kőszegi
Father	Henry I
Died	5 April 1308

Ivan Kőszegi, also John Héder (Hungarian: Kőszegi Iván; died 5 April 1308), was an influential lord in the Kingdom of Hungary at the turn of the 13th and 14th centuries.^[1] He was Palatine in 1281, between 1287 and 1288, and from 1302 until 1307, Ban of Slavonia in 1275, from 1284 until 1285 and in 1290, and Master of the treasury in 1276 and 1291.^[2][3] He initially supported Andrew III of Hungary, but from 1292 he turned against the king and became a partisan of the pretender, Charles Martel, Duke of Salerno.^[4]

References

1. Markó 2006, p. 228.
2. Zsoldos 2011, pp. 315-316.
3. Engel 1996, p. 1.
4. Engel 2001, p. 125.

Sources

• Engel, Pál (1996). Magyarország világi archontológiája, 1301–1457, I [Secular Archontology of Hungary, 1301–1457, Volume I] (in Hungarian). História, MTA Történettudományi Intézete. ISBN 963-8312-44-0.
• Engel, Pál (2001). The Realm of St Stephen: A History of Medieval Hungary, 895–1526. I.B. Tauris Publishers. ISBN 1-86064-061-3.
• Markó, László (2006). A magyar állam főméltóságai Szent Istvántól napjainkig: Életrajzi Lexikon [Great Officers of State in Hungary from King Saint Stephen to Our Days: A Biographical Encyclopedia] (in Hungarian). Helikon Kiadó. ISBN 963-547-085-1.
• Zsoldos, Attila (2011). Magyarország világi archontológiája, 1000–1301 [Secular Archontology of Hungary, 1000–1301] (in Hungarian). História, MTA Történettudományi Intézete. ISBN 978-963-9627-38-3.