Rafael Cruz

About the grandfather of Ted:

Ted Cruz's father was born and raised in Cuba, the son of a Canary Islander who immigrated to Cuba as child.[12] As a teenager in the 1950s, he was beaten by agents of Fulgencio Batista for opposing the Batista regime.[13] He left Cuba in 1957 to attend the University of Texas at Austin and obtained political asylum in the United States after his four-year student visa expired.[14] He earned Canadian citizenship in 1973[4] and became a naturalized United States citizen in 2005.

See Wikipedia for more.