ca. 1101 C.E.

Carnotensis Drecretal [Holy Roman Empire] [Provisional]: “If any of the Jews should buy a Christian slave or anyone from another sect and should circumcise him, having suffered under the control of a Jew, he shall remain free.”
Paris, Bibliothèque Nationale, Lat. 4636 [Buch 3 und Add., 3.286], Researched and Translated by Joan Paez 1/29/2016