Question: Which son of Christian X and Alexandrine of Mecklenburg-Schwerin was the father of Princess Elisabeth of Denmark?
Sentence (from "Princess Elisabeth of Denmark"): Princess Elisabeth of Denmark, {'1': ", '2': ", '3': 'RE', '4': "} ("Elisabeth Caroline-Mathilde Alexandrine Helena Olga Thyra Feodora Estrid Margrethe Désirée"; born 8 May 1935 in Copenhagen) is the daughter of Hereditary Prince Knud and Hereditary Princess Caroline-Mathilde of Denmark, and is a first cousin of the present Danish monarch, Queen Margrethe II.
Relevant evidence: Yes