A thousand years of family · 887–2026
History of the family
The history of the house unfolds in six stages, from the Conti Guidi of medieval Tuscany to the House of Guerri dall'Oro Gallone of Tricase and Moliterno. Each stage marks a graft or a transformation of the line.
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Stage 1 · 887–1230
Conti Guidi
From the Conti Guidi, a powerful comital line of medieval Tuscany, descends the family’s original trunk.
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Stage 2 · 1175–1293
Conti di Porciano
A branch of the Guidi takes root at Porciano castle, in the Casentino.
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Stage 3 · 1291–1363
Val d'Ambra
The Counts of Val d’Ambra lose their estates to the Republic of Florence in 1336.
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Stage 4 · XIV–1808
Guerri of Siena
The line joins the patriciate of Siena, from which the Guerri house takes its name.
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Stage 5 · 1819–1944
Guerri dall'Oro
In 1862 the Guerri unite with the dall’Oro of Treviso, giving rise to the double surname.
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Stage 6 · 1913–today
Modern era
The House of Guerri dall’Oro Gallone, today represented by Simon, 12th Prince of Tricase.
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