Complex sentence: Frederick V (31 March 172314 January 1766) was king of Denmark and Norway and Duke of Schleswig and Holstein from 1746 until his death, son of Christian VI of Denmark and Sophia Magdalene of Brandenburg-Kulmbach.
Split into simpler sentences: Frederick V (31 March 172314 January 1766) was king of Denmark-Norway and Duke of Schleswig-Holstein from 1746 until his death. He was the son of Christian VI of Denmark and Sophia Magdalene of Brandenburg-Kulmbach.