"Baderon" donated "villam Beren cum filia sua" to the abbey of Saint-Georges de Rennes, with the consent of "Guillelmo eius filio" and in the presence of "Rivalloni filii Johannis, Radulphi Filicensis", by undated charter, witnessed by "Alanus filius Flaaldi…". “Wihenocus de Monemue” founded the church “in castro meo de Monemue”, and donated it to the monastery of Saint-Florent de Saumur, by undated charter witnessed by "Baderon frater meus, Willielmus Yvin, Robertus, Paganus, Ywen Troue filii Baderonis…". A charter dated 4 Feb [1075/86] records the confirmation by William I King of England of a donation to Saumur Saint-Florent by "Wethenocus de Monmouth", witnessed by "Alano comite et Baderono fratre Wethenoci et ipso Wethenoco…". “Baderon de Monemue” donated property in Monmouth to Monmouth Priory, with the consent of “filiorum meorum Gileberti et Jacobi”, by undated charter witnessed by "…Waltero Marmiun…".
He predeceased his brother Wethenoc as shown by the charter under which his brother, together with Baderon´s son William, donated Monmouth priory to Saint-Florent de Saumur. 1
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