Complex sentence: The Latin name "Ungarii", applied to the Magyars even in the 10th century by Widukind of Corvey in his "Res gestae saxonicae", is again separate from (but perhaps influenced by) "Ugri".
Split into simpler sentences: The Latin name "Ungarii" is applied to the Magyars even in the 10th century by Widukind of Corvey in his "Res gestae saxonicae". The name "Hungarian" ("Hongrois, Ungar " etc.) is again separate from (but perhaps influenced by)"Ugri".