Henry Krause
Henry J." Red" Krause, Jr.( August 28, 1913 – February 20, 1987) was an American football offensive lineman in the National Football League for the Brooklyn Dodgers and the Washington Redskins.
He played college football at St. Louis University.
He is the grandfather of Jennifer Krause
He is the great grandfather of Payton Hoeing
Miguel Castro
Miguel Ángel Castro( born December 24, 1994) is a Dominican professional baseball pitcher for the Baltimore Orioles of Major League Baseball( MLB).
He previously played for the Toronto Blue Jays and Colorado Rockies.
Lincoln Díaz-Balart
Lincoln Rafael Díaz- Balart( born Lincoln Rafael Díaz- Balart y Caballero; August 13, 1954) is a Cuban- American attorney and politician.
He was the U.S. Representative for from 1993 to 2011.
He is a member of the Republican Party.
He previously served in the Florida House of Representatives and the Florida Senate.
He retired from Congress in 2011 and his younger brother, Mario Díaz- Balart, who had previously represented, succeeded him.
He is currently chairman of the Congressional Hispanic Leadership Institute.
After leaving Congress, he started a law practice and a consulting firm, both based in Miami, Florida.
Ángel Castro (baseball)
Ángel M. Castro( born November 14, 1982) is a Dominican professional baseball pitcher who is currently a free agent.
He has previously pitched for the Athletics in Major League Baseball( MLB) and the Fukuoka SoftBank Hawks of Nippon Professional Baseball.
Luís Castro (Salvadoran footballer)
Luís Alberto Castro Díaz( born May 19, 1981) is a Salvadoran footballer currently playing for East Bay FC Stompers in the National Premier Soccer League.
Rafael José Díaz-Balart
Rafael José Díaz- Balart( c. 1899 – 1985), was a Cuban politician and mayor of the town of Banes.
With his wife América Gutiérrez, he was the father of Rafael Díaz- Balart and progenitor of the Díaz- Balart family, an American political family.
He was briefly the father- in- law of Fidel Castro through Castro's marriage to Díaz- Balart's daughter, Mirta Diaz- Balart, but after the Cuban Revolution, he became a major anti-Castro figure living in exile in Miami, Florida.
Fidel Castro Díaz-Balart
Fidel Ángel Castro Díaz-Balart (1 September 1949 – 1 February 2018) was a Cuban nuclear physicist and government official.
Frequently known by the diminutive
Fidelito, he was the eldest son of Cuban leader Fidel Castro and his first wife, Mirta Diaz-Balart.
Rafael Díaz-Balart
Rafael Lincoln Díaz- Balart y Gutiérrez( January 17, 1926 – May 6, 2005) was a Cuban politician.
Díaz- Balart served as Majority Leader of the Cuban House of Representatives and Under- Secretary of Interior during the presidency of Fulgencio Batista.
Mirta Diaz-Balart
Mirta Francisca de la Caridad Díaz-Balart y Gutiérrez (born 30 September 1928) was the first wife of Fidel Castro.
She was the daughter of América Gutiérrez and Rafael José Díaz-Balart, a prominent Cuban politician and mayor of the town of Banes, Cuba.
She was a philosophy student at the University of Havana, when she met and married Fidel.
Waldo Díaz-Balart
Waldo Díaz- Balart( born Waldo Díaz- Balart y Gutiérrez on February 10, 1931) is a Cuban painter living in Madrid, Spain.

Question: Who is Fidel Castro Díaz-Balart's maternal grandfather?
Answer: Rafael José Díaz-Balart