Question: What country was the grandma of the wife of Ernest II, Duke of Saxe-Coburg and Gotha from?
Sentence (from "Alfred, Duke of Saxe-Coburg and Gotha"): He was known as the Duke of Edinburgh from 1866 until he succeeded his paternal uncle Ernest II as the reigning Duke of Saxe-Coburg and Gotha in the German Empire.
Relevant evidence: No