Decree from the Roman Law of the Visigoths issued by Alaric II [Present-day France]: “[Section 16:4:1 decreed] If one of the Jews should buy and circumcise a Christian slave or of any other sect, he shall on no account retain the circumcised in slavery, but the man who suffered this shall acquire the privileges of liberty. And other matters. Given on the twelfth day before the calends of November…”
Linder, Amnon: “The Jews in the Legal Sources of the Early Middle Ages.” Page 226