Istvan Perenyi 
General Notes
SOURCES:"Ancestors/Descendants of Royal Lines" (Contributors: I. Flatmoen, M. Thompson, Reynaud de Paysac, H.R. Moser <Burke Peerage>), F.L. Jacquier, O.Guionneau, E. Polti, A.Terlinden <Genealogy of the existing British Peerage, 1842, L. Orlandini, R. Dewkinandan, and E. Lodge>).
Istvan and Isotta were married in a religious ceremony on September 5th, 1515. They had a son named Ferenc.