According to Ibn Hayyan, in 237 A.H. (851/2 A.D.), the same year that Íñigo Arista died, Musa ibn Musa defeated the Gascons (Glaskiyyun) in battle under the walls of Albelda. On the first day of battle Musa suffered serious losses, and he himself received thirty-five blows of a lance.
According to Ibn Hayyan, in 237 A.H. (851/2 A.D.), Musa ibn Musa won a battle against the Gascons (Glaskiyyun) at Albelda. This occurred on the first day of battle, and Musa suffered significant losses, including thirty-five lance blows to himself.