Sources |
- [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), http://fmg.ac/Projects/MedLands/CARINTHIA.htm#EngelbertIISponheimdied1141B.
- [S336470] Wikipedia, (Online: https://en.wikipedia.org), "Engelbert, Duke of Carinthia" at http://bit.ly/2wmgwlj.
- [S336470] Wikipedia, (Online: https://en.wikipedia.org), "House of Sponheim" at https://en.wikipedia.org/wiki/House_of_Sponheim.
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