Robert de Monmouth

• John William Willis Bund, ‎Herbert Arthur Doubleday, ‎William Page - 1924 - ‎Snippet 'William Fitz Baderon was the ancestor of the Monmouth family',. of whom Ralph de Monmouth in t 166 answered for a knight's fee
• in Worcestershire and Gloucestershire, held of the Abbot of Westminster.' Subsequent deeds show that ...
• Reference
• The Victoria History of the County of Worcester ... - Page 30

https://books.google.com.au/books?id=W544AQAAMAAJ

BRITISH HISTORY ONLINE MANOR OF BIRTSMORTON AND LANGDON Ralph de Monmouth was not the Abbott of Westminster all he did was rent land in Worcestershire and Gloucestertshire , answered for a knights fee from /held by the Abbott of Westminster- so the manor of birtsmorton ,and Langdon belonged to the Abbott of Westminster not Ralph de Monmouth who was not an Abbott after all.