Ildegarde Supponid

- https://it.wikipedia.org/wiki/Ildegarda_dei_Supponidi

• Suppo I, duke of Spoleto (founder)

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- http://fmg.ac/Projects/MedLands/NORTHERN%20ITALY%20900-1100.htm#Ada...

m ILDEGARDE, daughter of --- (-11 Jan [982], bur Canossa). The Alberti Milioli Notarii Regini Liber de Temporibus names "comitissam Ildegarda" as wife of "comes Atto", recording that she built "monasterium de Brixill", and her death "III Id Jan" and burial "in arce Canusina"[122].

Adalberto Atto & his wife had four children:

..matrimonio con una Supponide di nome Ildegarda di cui però nulla si sa.

• https://www.treccani.it/enciclopedia/adalberto-azzo-di-canossa_(Diz...