In 1899, Maria Brignole Sale, the Duchess of Galliera and the last member of the family, divested the palace to become municipal property and thus destined it to become a public gallery.
Infante Alfonso, Duke of Galliera | Galliera | Duke of Galliera |
He had personal exhibitions at the Musée Galliéra in Contemporary Art in 1976, at the Museum of Contemporary Art in Montreal in 1980 (a retrospective), and Mexico in 1983.
The legitimate heir of the title, Phlipp la Renotière von Ferrary (1850–1917) refused to use it and Antonio brought forward his relations with the family of the last Duchess of Galliera, Maria of Brignol-Sale (1812–1888) to obtain the title.
It was at their wedding that Beatrice met a cousin of King Alfonso, Alfonso de Orleans y Borbón (12 November 1886 Madrid, Spain–10 August 1975), Infante of Spain, 5th Duke of Galliera.