Synod of Paris [Present-day France]: “15. No Jew may exercise military of official authority over Christians. If he does so, he must be baptized with his family.”
Hefele, A History of the Councils of the Church, v. 4: 440, Researched and Translated by Joan Paez 2/14/2016
Hefele, A History of the Councils of the Church, v. 4: 440, Researched and Translated by Joan Paez 2/14/2016