A study of 28 kings who actually reigned. The first two chapters of the work present the life of the saint (martyr or confessor) and the process of canonization. The two following chapters attempt to answer a double question: what was expected of the holy king and what were the functions that he fulfilled in his kingdom. The last two chapters, by examining the liturgical texts, attempt to identify and analyze the principal aspects of the cults of these saints. Les saints rois form a diptych with Les saintes reines du Moyen Âge (Subsidia Hagiographica, 76 ).