[Possible/Probable] Lex Romana Burgundionium [King Gundobad of Burgundy]
Commentary from other sources:
1) “[King Gundobad] prohibited intermarriage between Jews and Christians; violators where punished with ‘forced divorce’.”
Scherer, Johann E.: Die Rechtverhältnisse der Juden in den deutsch-österreichischen Ländern (Leibzig; 1901) p. 27