Writ of Conrad IV of Germany [Present-day Germany; Holy Roman Empire]: “Conrad IV commands Gerhard [I.] von Sinzig (‘Sintzig’) to raise fifty Mark from the Jews of Sinzig, if necessary, though imprisonment and extortion and to send [these funds] to the royal court.”
Regesten zur Geschichte der Juden in Deutschland während des Mittelalters. Bearbeitet von Dr. M. Wiener. Erster Teil. (Regesta regarding the history of Jews in Germany during the Middle Ages. First Part.); (Hannover; 1862); Researched and Translated by Ziba Shadjaani 6/27/2020