Of what countries was Strut-Harald's half-brother the king?
Harald Bluetooth Harald "Bluetooth" Gormsson (Old Norse: "Haraldr Gormsson" , Danish: "Harald Blåtand Gormsen" , died c. 985/86) was a king of Denmark and Norway.
Prince Harald of Denmark Prince Harald of Denmark ("Harald Christian Frederik"; 8 October 1876 - 30 March 1949) was a member of the Danish Royal Family. He was the third son of Frederick VIII of Denmark and his wife, Lovisa of Sweden, and thus brother to Christian X of Denmark.