 In the year 1552 Emperor Ferdinand visited him as a private person and brought him news from Valladolid.He was not involved in the dynastic fight between the Habsburgs and the Jagiellonians, although he made the business with George, Margrave of Brandenburg-Ansbach, so that this one pulled back from Hungary and Croatia.Petar Keglević was married to Barbara Strezsemley from Streza (today Pavlin Kloštar near Bjelovar), from family Bissenus de Streza.