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Wiki information Lietbertus:
Saint Lietbertus of Brakel was bishop of Cambrai from 31 March 1051 to 28 September 1076. Liebertus was born to the Brabantian nobility at Opbrakel. He served as archdeacon and provost of the cathedral of Cambrai before his election as bishop.
Lietbertus of St. Ruf was the abbot of Saint-Ruf, in the diocese of Avignon. He was the author of a commentary on the Psalms called Flores Psalmorum and wrote the customs practiced in his abbey. He was educated at the Lille collegiate church of St....