Sigifredo of Lucca along with his three sons built the Castle of Canossa. He died after 940. His sons were- • Sigifredo who died after 972 and married Baratina of Parma . • Gerado who died before 10 Jun 998 and married Gibertina of Parma •
Adalbert Atto who died after 13 Feb 975. He was the Count of Reggio and Mantua. He married Ildegarde. Their children were • Rodolfo who died about 973 • Tedaldo who died 8 May 1012 Count of Reggio who married Guillia. Their son was Bonifazio 985-1052 Marchese of
Tuscany • Goffredo who died after 998 and was Bishop of Brescia • Prangarda wife of Manfredo I Marchese of Turin. ==References==