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- [S336463] Medieval Lands: A prosopography of medieval European noble and royal families, Charles Cawley, (Online: The Foundation for Medieval Genealogy at http://fmg.ac/Projects/MedLands/, 20XX), "SIMON de Dammartin, son of AUBRY [II] Comte de Dammartin & his wife Mathilde de Clermont-en-Beauvaisis (-21 Sep 1239)" at http://fmg.ac/Projects/MedLands/nfraamp.htm#SimonDammartinAumalePonthieud1239B.
- [S336470] Wikipedia, (Online: https://en.wikipedia.org), "Simon, Count of Ponthieu" at http://bit.ly/2inBifk.
- [S336470] Wikipedia, (Online: https://en.wikipedia.org), "Battle of Bouvines" at https://en.wikipedia.org/wiki/Battle_of_Bouvines.
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