About Delfim Carlos de Carvalho, Baron of the Passagem
Delfim Carlos de Carvalho (Rio de Janeiro, 13 April 1825 — Rio de Janeiro, 19 May 1896), Baron of the Passagem, was a Brazilian naval officer who fought in the War of Paraguay.
He was a Chief of Division at the Battle of the Riachuelo.
He commanded the squadron that effected the Passage of Humaitá on 19 February 1868.
He was also a member of the Supreme Military Justice in 1891.