Adelhelmus (Or Adelinus)
was the successor of Hidelbrand in the bishopric of Seez, in Normand,. which he governed till about 910. He wrote an Account of the Life and Miracles of St. Opportuna, Virgin and Abbess, which is given entire by Mabillon, corrected by a MS. in the Church of St. Opportuna, Paris; and in an abridged form by Surius (April 22). See Ann. Ord. Bened. III, ii, 220; Cave, Hist. Lit. ii, 67; Dupin, Bibl. Ecclesiastes 9 th Cent.