Jehuda from Lombardy (b. 635) had a son Kolonimus (b. 685).
Kolonimus from Italy had a son Mushulam (b. 720).
Mushulam the great from Luka, Italy had a son also called Kolonimus (b. 765).
This Kolonimus, Gaon from Luka, Italy had a son Moshe HAZAKEN (b. 810).
Moshe the Elder of Luka had a son called Kononimus of Luka (b. 855).
This Kolonimus of Luka had a son Meshulam (b. 900).
R. Mushulam the great had a son Abun (b. 935).
Rabana Abun (Abba), the Great Prince of Le Mans, Prince of the House of David had children:
R. Abun described above, may be one and the same person as R. Abun, Head of the Yeshiva of Narbonne, whose son was: