| Genus (gens) Osl | |
|---|---|
 | |
| Country | Kingdom of Hungary |
| Founded | 12th century |
| Founder | Osli I (descendant of Beled) |
| Dissolution | 1873(last Viczay), end of the 19th century (last male Vlaicu/Layko) |
| Cadet branches | House of Kanizsai House of Ostffy House of Viczay House of Csornay from the Temesköz (with many cadet branches, like the Layko/Vlaicu or the Dan/Dánfy of Duboz) |
Osl (Osli,Osth orOzsol) was the name of agens (Latin for "clan";nemzetség in Hungarian) withHungarian origin in theKingdom of Hungary, based in today'sGyőr-Moson-Sopron County and in the Banate of Severin. The village ofOsli was named after that clan. Also the Oslea mountain in the former Banate of Severin.
TheGesta Hunnorum et Hungarorum ("Deeds of the Huns and Hungarians") records that the clan was from one of the 108 original genera during theHungarian Conquest of the Carpathian Basin. According to the legends, the forefather of the genus wasSúr, a commander in theBattle of Lechfeld, son of Grand PrinceFajsz, thus a member of theÁrpád dynasty.[1] Beled, a son of Súr, married the daughter of duke Kolán and helped his father-in-law against the latter's brother, duke Kean. Duke Beled, as told in theChronicon Pictum, was the one who arranged the marriage between the Grand Prince Géza and Sárolt of Transylvania. The eponymous ancestor of the clan was Osli I, descendant of Beled and of duke Kolán's daughter, who lived around between 1200 and 1230. Presumably, he had seven children, including Beled, who served as Master of the cupbearers, whose eldest son,Beled was the ancestor of the Count Viczay family which became extinct in 1873.
Osli's second son was Osli de Asszonyfalva,Ban of Szörény, whose third son, Osli Ostffy became ancestor of the Ostffy de Asszonyfalva family. The third son wasBenedek,Bishop of Várad (today:Oradea, Romania). He survived theMongol invasion of Europe and later was appointedBishop of Győr. The fourth son, Tamás de Csorna was the first member of the House of Kanizsai. His grandson Gergely acquired significant lands inGyőr County. He was receivedRábaszentmiklós byLadislaus IV in 1287. However, he had no male successors, thus the property were inherited by Lőrinc, Ispán ofZala County, his brother's sons. The last surviving member of that family wasOrsolya Kanizsai (d. 1571), wife ofPalatineTamás Nádasdy.
The fifth son wasHerbold,Ispán (Count;comes) ofBaranya County. After theBattle of Mohi (1241), he put in safetyBéla IV and the royal family atKlis Fortress (Hungarian:Klissza) who fled from the Mongols toDalmatia. During that time, Herbold served as castellan of Klis who defended successfully from the Tatars. As a result, later, Béla IV donated large estates along theRaba.
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