ALAG. — Canon of Auxerre, who lived in the 9th century. He collaborated, together with the canon Rainogala and under the direction of the monk Erico, on the first part of the *Gesuati pontificum Antissiodorensium*, which spans from 258 to 1873. The work is published in *Patrologia Latina* 138, cols. 219–394.
BIBL.: PP. Maurini, *Histoire littéraire de la France*, 5th new ed., Paris 1880, pp. 541, 777–78; P. Fournier, s.V. in *Dictionnaire d'histoire et de géographie ecclésiastiques*, I, cols. 1289.