Pepin, Herbert I and Herbert II de Vermandois in Descendancy of Adam, pg. 3871

Bernard, Pepin, Herbert I and II de Vermandois in Bibliotheque de L'Ecole des Hautes Etudes, pgs. 8-9, 35, 37 and 38-39

Pepin, Herbert I, Herbert II, Hughes, Robert de Vermandois in Les Annales de Flodoard, pgs. vi, x, xi, 14 footnote 2, 120 footnote 5, 145

Abbey Church Saint-Sauveur de Redon. 1881, from "Geography of the Department of Ille-et-Vilaine," by Joanne, Adolphe Laurent, 1813-1881.

Pepin II Quentin of Vermandois

Basilica of Sant'Ambrogio, Milan, Città Metropolitana di Milano, Lombardia, ItalyAdded to Find a Grave by Bunny Boiler on 6/20/2005.

Bernard, Pepin, Herbert I and Herbert II de Vermandois in The Tyrrell Wives Fifteen Centuries of Genealogy and History, pg. 54-55

Bernard, Pepin II, Herbert I and Herbert II de Vermandois in Johnson Stedman and Allied Families, pg. 95-96

Bertha (Beatrice) de Morvois and Herbert I de Vermandois in Lee-Ault Genealogy, pg. 6

"Abbey in Redon," by Vasily Polenov. At The State Russian Museum - Saint Petersburg.

Bernard, Pepin, Herbert I and Herbert II de Vermandois in A Carolina-Virginia Genealogy, pg. 309-310

1870 photo of Redon Saint-Sauveur Abbey Church & Tower. From "Bits of Our Past Ltd."(Poynton Publishing, United Kingdom).

Pepin, Bernard, Pepin, Herbert I and Herbert II de Vermandois in Stokes - 100 Years, pg. 30

Tomb