Place of Birth: San Antonio, Texas
Date of Birth: September 16, 1974
Ethnicity: Mexican
Joaquin Castro is an American politician. A Democrat, he has served as a Member of the U.S. House of Representatives, since January 3, 2013.
Joaquin is the son of Maria Del Rosario Castro and Jessie Guzman. His identical twin brother is politician Julián Castro.
Joaquin’s maternal grandmother was Victoria Manuela Castro (the daughter of Victoriano Castro and Anastacia Alvarado). Victoria was born in San Pedro, Coahuila, Mexico.
Sources: Megan Smolenyak Smolenyak on Joaquin’s family history – http://www.huffingtonpost.com
Genealogy of Joaquin Castro (focusing on his mother’s side) – https://www.geni.com