Royal Households of the United Kingdom William and Prince Harry was established (formally "The Household of His Royal Highness Prince William of Wales and His Royal Highness Prince Henry of Wales"), headed by Lowther-Pinkerton. Following the marriages of both princes, the Household also additionally serves their wives. The Household's offices are currently based in Kensington Palace, having formerly been based in St James's Palace; it shares funding and much of its staff with Clarence House. The Household is now formally "The Household of Their Royal Highnesses The Duke and Duchess of Cambridge and The Duke and Duchess of Sussex" and, as of 2011, had the equivalent
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