Borthwick, Richard, Counts of Piacenze. Posting to soc.genealogy.medieval (email list GEN-MEDIEVAL) on 1/16/1999. Subject: Piacenze. Available at https://groups.google.com/g/soc.genealogy.medieval/c/FLIQGr-CMEM/m/dKI3G9zhKgYJ. Author address: rgbor at cyllene dot uwa dot edu dot au. Information from this source tagged as [Ref: Richard Borthwick SGM 1/16/1999].
Sources for birth and parent Information
father:
[Ref: Richard Borthwick SGM 1/16/1999]
Sources with Information about marriage to unknown
child:
[Ref: Richard Borthwick SGM 1/16/1999]
Research Notes:
Count of Verona [Ref: Richard Borthwick SGM 1/16/1999]
967: Count of Verona [Ref: Richard Borthwick SGM 1/16/1999]