A conditional noble or predialist[1] (Hungarian: prédiális nemes; Latin: nobilis praedialis; Croatian: predijalci) was a landowner in the Kingdom of Hungary who was obliged to render specific services to his lord in return for his landholding, in contrast with a "true nobleman of the realm" who held his estates free of such services. Most conditional nobles lived in the border territories of the kingdom, including Slavonia and Transylvania, but some of their groups possessed lands in estates of Roman Catholic prelates. Certain groups of conditional nobility, including the "ecclesiastic nobles" and the "nobles of Turopolje" preserved their specific status until the 19th century.