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.

  1. 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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  2. Stage 2 · 1175–1293

    Conti di Porciano

    A branch of the Guidi takes root at Porciano castle, in the Casentino.

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  3. 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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  4. 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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  5. 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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  6. 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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