- Am·bro·sio [ahm-braw-syaw] /ɑmˈbrɔ syɔ/, Marqués de Osorno, 1720?–1801, Irish soldier and administrator in South America.
- his sonBer·nar·do [ber–nahr–th aw] /bɛrˈnɑr ðɔ/, Liberator of Chile, 1778–1842, Chilean general and statesman.
- Ambrosio (æmˈbrəʊzɪˌəʊ). ?1720–1801, Irish soldier, who became viceroy of Chile (1789–96) and of Peru (1796–1801)
- his son, Bernardo (bɛrˈnarðo). 1778–1842, Chilean revolutionary. He was one of the leaders in the struggle for independence from Spain and was Chile’s first president (1817–23)