Question: Baruch Leib Rosowsky, was a famous cantor of the Great Choral Synagogue in Riga and a composer of religious music in Riga, at the time a city in Imperial Russia, it is likely that Rosowsky's family is related to the Rasofsky branch of which person who was an American professional boxer, and became a world champion in three weight divisions and was a decorated veteran of World War II?
Sentence (from "Baruch Leib Rosowsky"): It is likely that Rosowsky's family is related to the Rasofsky branch of the Barney Ross family.
Relevant evidence: Yes