Question: Which relative of Prince Axel of Denmark became king in 1905?
Sentence (from "Haakon VII of Norway"): Haakon VII (] ; born Christian Frederik Carl Georg Valdemar Axel; 3 August 187221 September 1957), known as Prince Carl of Denmark until 1905, was a Danish prince who became the first king of Norway after the 1905 dissolution of the union with Sweden.
Relevant evidence: No