Question: Isabel Maria de Alcântara, Duchess of Goiás was a Brazillian noble and the daughter of what Brazillian ruler know as "the Liberator"?
Sentence (from "Pedro I of Brazil"): Dom Pedro I (English: Peter I; 12 October 1798 – 24 September 1834), nicknamed "the Liberator", was the founder and first ruler of the Empire of Brazil.
Relevant evidence: Yes