Place of Birth: Beltsville, Maryland
Date of Birth: October 18, 1989
Ethnicity:
*Ashkenazi Jewish, possibly other (father)
*Afro-Guyanese (mother)
Matthew Centrowitz, Jr. is an American track and field athlete. He specializes in the 1500m.
Matthew is the son of Beverly (Bannister) and Matt Centrowitz. His father is a two-time Olympic distance runner, and collegiate cross country and track coach.
Matthew, Jr.’s paternal grandfather was Jewish. It is not clear if his paternal grandmother was Jewish, too, but Matthew, Jr.’s father attended a Catholic school.
Matthew, Jr.’s mother is from British Guiana (now Guyana), in South America.
A picture of Matthew with his parents can be seen here.
Matthew’s paternal grandfather was Sidney Centrowitz (the son of Henry Centrowitz and Florence Entell). Sidney was born in New York, to Russian Jewish parents.
Matthew’s maternal grandfather was named Colin Bannister.
Sources: http://www.scoop.it
Matthew’s paternal grandfather, Sidney Centrowitz, on the 1930 U.S. Census – https://familysearch.org