Peter the Venerable (v.), who attended him at the hour of death, left a flattering eulogy of him (Epistolarum, I. V. 6: PL 189, 390-391). The treatise *De Sacramento altaris et de iis, quae ad varios Ecclesiae ministros ab inferioribus usque ad episcopum pertinent* (PL 172, 1271-1308), which is not his but belongs to his successor Stephen II (cf. D. van den Eynde, *Le tractatus «De sacramento altaris» faussement attribué à Etienne de Beaugé*, in *Rech. de Théol. anc. et méd.*, 19 [1952], pp. 225-43), is an interesting liturgical-ascetical exposition of the Mass, CAMBIO (v.), Metz (v.), Chartres (v.), and contains a clear affirmation of the offering of the faithful in the sacrifice (cols. 1288-1289).
STEFANO DI BEAGUÉ (DE BALLGACO)
BIBL.: Notitia historica, in PL 172, 1271-74; Hurter, II, col. 75; J. De Ghellinck, *Eucharistie*, in DTHC, V, cols. 1251 and 1290; F. Holböck, *Der eucharistische und der mystische Leib Christi*, Roma 1941, pp. 49-63 and passim (v. indice).