Sterling Silver Claret Jug/Wine Decanter Belonged To Belisario Juan Montero Cisterna Argentinian Ambassador to Belgium 1880s

Sterling Silver Claret Jug/Wine Decanter Belonged To Baliserio Juan Montero Cisterna, Argentinian Ambassador to Belgium in the 1880s. He was described as a "stately gentleman with a luxuriant black mustache and beard, Minister of Argentina in Brussels. He was considered so handsome that Brussel's high society called him 'Le Beau Montero." The family crest can be seen on the item.
Birthdate: December 27, 1857
Birthplace: Buenos Aires, Autonomous City of Buenos Aires, Argentina
Death: June 19, 1929 (71)
Tigre, Tigre Partido, Buenos Aires Province, Argentina
Place of Burial: Buenos Aires, Autonomous City of Buenos Aires, Argentina
Wife:
Emma Cordiglia Montero Lavalle (Daughter of Adrián Cordiglia and Juana Josefa Adela Lavalle y LLanos)
Birthdate: September 24, 1859
Birthplace: Mendoza, Capital Department, Mendoza Province, Argentina
Death: September 05, 1939 (79)
Pau, Beauville, Lot-et-Garonne, Aquitaine, France