Question: What is the place of birth of Clifton R. Breckinridge's father?
Sentence (from "Clifton R. Breckinridge"): He was a member of the prominent Breckinridge family, the son of Vice President of the United States and Confederate General John C. Breckinridge and the great-grandson of U.S. Senator and Attorney General of the United States John Breckinridge.
Relevant evidence: Yes