Question: Who is the maternal grandfather of Frederik, Crown Prince Of Denmark?
Sentence (from "Margrethe II of Denmark"): Margrethe II (full name: "Margrethe Alexandrine Þórhildur Ingrid"; born 16 April 1940) is Queen of Denmark, as well as the supreme authority of the Church of Denmark and commander-in-chief of the Danish Defence.
Relevant evidence: No