Prince Louis of Cambridge Prince Louis of Cambridge Prince Louis of Cambridge (Louis Arthur Charles; ; born 23 April 2018) is a member of the British royal family. He is the third and youngest child and second son of Prince William, Duke of Cambridge, and Catherine, Duchess of Cambridge. He is fifth in the line of succession to the British throne. Kensington Palace announced on 4 September 2017 that the Duke and Duchess of Cambridge were expecting their third child. A son was born at 11:01 BST (10:01 UTC) on 23 April 2018. He was first seen in public seven hours after his birth,
Catherine, Duchess of Cambridge that the Duchess was pregnant with her first child. The announcement was made earlier in the pregnancy than is usual as she had been admitted to King Edward VII's Hospital suffering from "hyperemesis gravidarum", a severe form of morning sickness. She remained in the hospital for three days. On 14 January 2013, St James's Palace announced that the child was due to be born in July 2013, and that the Duchess's condition was improving. The Duchess was admitted to St Mary's Hospital in London in the early stages of labour on the morning of 22 July 2013 and gave birth