(-Bef 1086)
William fitz Baderon DE MONMOUTH
(-Aft 1119)


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William fitz Baderon DE MONMOUTH

  • Born: Monmouth, Wales
  • Married:
  • Died: After 1119

  General Notes:

Compiler's 25/27/30 x great-grandfather

  Research Notes:

"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…". "Wihenoecus…atque Willelmus nepos eius" donated the priory of Monmouth to Saint-Florent de Saumur by undated charter witnessed by "Wihenocus Sancti Florentii monachus…de hominibus domni Willelmi…Raterius filius Wihenoci…", later consented to by "uxor domni Willelmi et filiæ ipsius…Iveta et Advenia". "Willelmus filius Baderonis" donated "terram Chachebren…juxta molendinum Castelli Godrici" to the priory of Monmouth, with the consent of "domina Haduis uxor domini Willelmi et Iveta et Advenia filiæ eorum", by undated charter witnessed by "Robertus frater domini Willelmi, Paganus, Robertus Walensis filius domini [Willelmi]…". Domesday Book records “William fitzBaderon” holding land in Burghclere in Kingsclere Hundred and East Cholderton in Andover Hundred in Hampshire, land in Cirencester, Daglingworth, Siddington, Westonbirt, Tibberton, Huntley, Longhope, Stears, Newnham, St Briavels and Hewelsfield in Gloucestershire[884]. "Phylippus de Braiosa" confirmed all the donations to Saint-Florent de Saumur by "pater suus Willelmus" by charter dated before 1096, witnessed by "Willelmus filius Baderonis et Paganus frater Rius…". William son of Baderon donated the priory of St Mary Monmouth to Saumur Saint-Florent by charter dated to 18 Mar [1101/02], witnessed by “…Float filius Alani dapiferi…”. 1


The lordship of Monmouth was transmitted to William fitz Baderon from his father's brother, Wihenoc, in 1075x1086. Wihenoc of Monmouth granted the church of St. Cadog, beside his castle, and other endowments to the monks of St. Florent, Saumur, before 1086. The new priory church, St. Mary's, Monmouth, was completed by 1101 or 1102, the community consisting of a prior and seven brothers. 2

  Marriage Information:

William married Hawise.


1 Foundation for Medieval Genealogy: William FitzBaderon.

2 Anglo-Norman Studies XXI: Proceedings of the Battle Conference 1998, Christopher Harper-Bill, 1999, p. 41, citing Ancient Charters, ed. Round, 406, no. 1133, and 407, no. 1134; Domesday Book, Herefordshire, fos. 180v, 180r; D. Knowles and R.N. Hadcock, Medieval Religious Houses, England and Wales, 2nd edn, London, 1971, 55 and 71.

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