For centuries, people were convinced the Codex Eyckensis had been written by Harlindis and Relindis, the first abbesses of the abbey of Aldeneik, who were later canonized.
Stoljećima, ljudi su bili uvjereni da su Codex Eyckensis napisale Harlindis i Relindis, prve opatice iz opatije Aldeneik, koji su kasnije kanonizirane.