Birth Name: Wladimir Wladimirowitsch Klitschko
Place of Birth: Semipalatinsk, Kazakh SSR, Soviet Union (now Semey, Kazakhstan)
Date of Birth: 25 March, 1976
Ethnicity: Ukrainian, one quarter Ashkenazi Jewish, possibly other
Wladimir Klitschko is a Ukrainian professional boxer. He held the world heavyweight championship twice, as well as the unified WBA (Super), IBF, WBO, IBO, and Ring magazine titles.
Wladimir is the son of Nadezhda Ulyanovna and Wladimir Rodionovich Klitschko, who was a Soviet Air Force major general and Soviet military attaché in East Germany. His brother is politician and professional boxer Vitali Klitschko, who has been Mayor of Kyiv, since 5 June, 2014, and Head of the Kyiv City State Administration, since 25 June, 2014, among other duties. Vitali held the WBO title, the Ring magazine title, and the WBC title, the latter twice.
Wladimir has a daughter with his former partner, American actress, model, and activist Hayden Panettiere.
Wladimir’s paternal grandfather was named Rodion Petrovich Klitschko (the son of Petr Klitschko).
Wladimir’s paternal grandmother was named Tamara Efimovna Etinzon (the daughter of Efim Etinzon). Tamara was born in Smila, Cherkasy Oblast, Ukraine, and was Jewish.
Genealogy of Wladimir Klitschko (focusing on his father’s side) – https://www.geni.com
I’m not really sure how accurate these publications are but they both claim Tamara was indeed Jewish.
His paternal grandmother, Tamara Efimovna Etinzon, possibly was Jewish.