Козьма Пражский
Cosmas of Prague (; ; – October 21, 1125) was a priest, writer and historian born in a noble family in Bohemia. Between 1075 and 1081, he studied in Liège. After his return to Bohemia, he became a priest and married Božetěcha, with whom he probably had a son. In 1086, Cosmas was appointed prebendary ("canonicus") of Prague, a prestigious position. As prebendary he also travelled through Europe on official matters.