His deep knowledge of law, French and Italian called the attention of the then powerful PM José Patiño, o (Milano, Italy, 11 April 1666 - 3 November 1736), being promoted to Secretary of the English - Spanish political meetings and truces being discussed there.
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He was a brother of Manuel de Montiano, Lieutenant General of the Royal Spanish Army, a defender in 1738 of the attacks by the English Crown to the Florida Peninsula, held by the Spaniards since the first half of the 16th century and later sold to the United States in the 19th century by the Spanish Crown.
Agustín de Iturbide | Agustín Barrios | Juan Agustín Ceán Bermúdez | José Agustín Arango | Agustín Roberto Radrizzani | Agustin Kola | San Agustín Canton | José Agustín | Ato Agustin | Agustín Muñoz Grandes | Agustín Gamarra | Agustín de Betancourt | San Agustín | San Agustin | Plains of San Agustin | Manuel de Montiano | José Agustín Silvestre de los Santos | José Agustín Quintero | Colegio San Agustin | Agustín Viana | Agustín Velotti | Agustín Rodríguez Santiago | Agustín Orión | Agustín Millán | Agustín Ibarrola | Agustín Gajate | Agustín Feced | Agustín de Iturbide y Green | Agustín Bernal | Agustín Almodóvar |