Guerri dall'Oro Gallone
Padua, Tuscany, Naples
- Counts Guerri dall'Oro
- Princes of Tricase and Moliterno
The surname Guerri dall’Oro was born in 1862 from the marriage of Pietro Giovanni Guerri to Dejanira dall’Oro, the last of her House. Through the 1939 marriage of Aldo Guerri dall’Oro and Simonetta della Posta, the House gathered the inheritance of the Gallone and of the Dukes of Civitella Alfedena. By Neapolitan female succession, confirmed by the Decree of 1999, it holds today the titles of Prince of Tricase and of Moliterno.

A Tuscan family which, from 1300, resided in Siena where it obtained admission to that patriciate through the high public offices held by several of its members (Nanni di Pietro di Giovanni Guerri, 1445, etc., State Archives of Siena).
A branch which moved to Venice obtained the title of count and inscription in the Golden Book of the titled families of the Serenissima (cf. Venetian Patriciate).
It adds the name and arms of the dall’Oro House through the marriage of Giovanni Pietro (b. 1819), an officer at the Grand-Ducal Court of Tuscany, to Dejanira dall’Oro, the last of her family. The dall’Oro, originally from Padua (1200), settled in Treviso where they were counted among the nobles of that city (Civic Museum of Treviso), a street of which still bears their name. They held the offices of Gonfaloniers of Justice and Captains of the People in Bologna in the 15th century.
Addition of the surname Gallone di Tricase and di Moliterno, Ministerial Decree of Grace and Justice of 21 January 1999. Countess (in her own right) by Royal Letters Patent granted to Simonetta della Posta of Civitella, wife Guerri dall’Oro, on 19 Nov. 1967.
Arms: quarterly: 1st and 4th vert, a bend argent accompanied by 6 mullets or (Guerri); 2nd and 3rd tierced in fess: in the 1st azure, a mullet or; in the 2nd gules, a sheaf of wheat or bound in a ring or; in the 3rd barry of six, the first argent, the second, fourth and sixth or, the third and fifth gules (dall’Oro).
Motto: NIHIL AB AURO POTEST QUI AETERNUM NON EST.
Guido Guerri dall’Oro Gallone di Tricase and di Moliterno, 11th Prince of Tricase, 8th Prince of Moliterno and Count Guerri dall’Oro, physicist engineer Ph.D., son of Count Aldo and Donna Simonetta della Posta of the Dukes of Civitella Alfedena, married at Bordighera on 29 Dec. 1971 Jeanine Schneider, daughter of Louis and Marthe Lidy.
CHILDREN: 1) Eleonora; 2) Emanuela; 3) Simon.
Main line
Modern Guerri dall'Oro Gallone Lineage
Five generations · 1819–2018
Extended family


Drawn by Aldo GUERRI DALL’ORO
(b. 1913, † 2004)



Donna Simonetta della Posta of the Dukes of Civitella Alfedena
(* Rapallo 23.06.1916 † Rome 14.12.1986),
Countess Guerri dall’Oro, title granted and authorised for succession (in her own right) by Royal Letters Patent of King Umberto II of Italy of 19.11.1967,
& Rome 03.07.1939
Aldo Guerri dall’Oro,
(* Padua 01.08.1913 † Colli sul Velino, Rieti 25.12.2004).
Count Guerri dall’Oro (by marriage)
The descendants take the surname
Guerri dall’Oro Gallone di Tricase and di Moliterno