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 provide activities to over 400,000 young people in the UK. In October 2012, the Duchess gave her royal patronage to the M-PACT programme (Moving Parents and Children Together), one of the only UK programmes to focus specifically on the impact of drug addiction on families. In December 2015, she assumed the patronage of the Royal Air Force Air Cadets for youths 12–19 years of age. The Duke of Edinburgh, who had been patron of the RAF Cadets for 63 years, formally handed over during an audience at Buckingham Palace. In 2017, she replaced the Queen as patron of The Lawn