• Royal Frankish Annals, he died within a few days of his succession. "SUPPONIDI in "Dizionario Biografico"". www.treccani.it (in Italian). Retrieved 2021-04-28...
    1 KB (94 words) - 20:24, 15 January 2024
  • Thumbnail for Rubiera
    historical mention of Rubiera is from 915, at which time it was a fief of the Supponidi family; the city later became a fief of the Obertenghi family. After a...
    4 KB (288 words) - 17:18, 16 October 2022
  • to Ranieri, the son of Count Guido, who held the title of Margrave. "Supponidi in "Dizionario Biografico"" (in Italian). Retrieved 2020-12-08. "RANIERI...
    7 KB (867 words) - 19:02, 2 December 2023