[COLONNA d'ISTRIA-CORSE FAMILY] Albero genealogico della famiglia Colonna d'Istria del regno di Corsica. Superb family tree in ink and polychrome watercolor of the Colonna d'Istria family, featuring tree branches wrapped with parchment on which the names of the various members are inscribed. The first member mentioned in this tree is Ugo della Colonna, often referred to as the founder of the dynasty. His name is inscribed in a cartouche above the family coat of arms. 88 x 65.5 cm. 19th century. Stains, a few small scattered tears around the edges, folds, minor restorations.