== Biography ==
===Origins===He was the son of [[Monfaucon-1|Renaud de Monfaucon I]] and [[Sully-343|Agnes de Sully]].Charles Cawley. [https://fmg.ac/Projects/MedLands/cfragobs.htm#RenaudMontfaucondied1180 Renaud de Montfaucon I], entry in "Medieval Lands" database (accessed 6-Apr-23).