José Gregorio Monagas was the president of Venezuela 1851–1855 and brother of José Tadeo Monagas. Wikipedia
Born: May 4, 1795, Aragua de Barcelona, Venezuela
Died: July 15, 1858 (age 63 years), Maracaibo, Venezuela
Parents: Francisco José Monagas and Perfecta Burgos Villasana
Siblings: José Tadeo Monagas
Nephew: José Ruperto Monagas
Previous office: President of Venezuela (1851–1855)