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Giselbert I of Bergamo

Giselbert I of Bergamo

Giselbert I of Bergamo (died c.927/929) was a northern Italian nobleman.


Giselbert I's parents are unknown. He is the progenitor of the dynasty known to historians as the Giselbertiners (or Giselbertini).

Giselbert I was originally a vassal of Berengar I of Italy. Yet by 922 he supported Rudolph II of Burgundy, who rewarded him with the position of count of Bergamo (923).

When Rudolf fell from favour, Giselbert I changed allegiances once again. By 926 he was invested as count palatine of Bergamo by the new king, Hugh of Italy.


Marriage and children

Giselbert I married Rotruda of Pavia, daughter of Walpert of Pavia, c.895. Their son was Lanfranc I of Bergamo.



  • F. Menant, ‘Les Giselbertins, comtes du comté de Bergame et comtes palatins,’ in Formazione e strutture dei ceti dominanti nel medioevo (1988), pp. 115–186.
  • J. Jarnut, Bergamo 568-1098. Verfassungs-, Sozial- und Wirtschaftsgeschichte einer lombardischen Stadt im Mittelalter (Wiesbaden, 1977).
  • E. Hlawitschka, Franken, Alemannen, Bayern und Burgunder in Oberitalien, 774-962: Zum Verständnis der fränkischen Königsherrschaft in Italien (Freiburg im Breisgau, 1960), accessible online at: Genealogie Mittelalter
  • Jean Baptiste David. Manuel de l'histoire de Belgique Vanlinthout, (1853) p. 171 et seq. (in French)

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