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/NORTHERN%20ITALY%20900-1100.htm#AdalbertoIivreaB.
- [S431] The Henry Project: The ancestors of king Henry II of England: An experiment in cooperative medieval genealogy on the internet, Stewart Baldwin and Todd Farmerie (editors), (Online: sbaldw.home.mindspring.com/hproject/henry.htm), http://sbaldw.home.mindspring.com/hproject/prov/adalb001.htm.
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