King Charles III will remain Britain's monarch and head of state while undergoing cancer treatment.
Prince William, the Prince of Wales, is the oldest son of King Charles and the late Princess Diana.
At only 10 years old, Prince George of Wales is second in the line of succession to the British throne.
Princess Charlotte of Wales is the second child of Prince William and Princess Kate. She is 8 years old.
Prince William and Princess Kate welcomed their third child, a boy named Louis Arthur in 2018. The 5-year-old is fourth in line to the throne.
Prince Harry is the fifth in line to the throne. He is the younger son of King Charles and the late Princess Diana.
Prince Harry and his wife Meghan Markle, Duchess of Sussex, welcomed their first child, a boy named Archie in 2019. Archie is sixth in the line.
Miss Lilibet Mountbatten-Windsor, 2, is seventh in line to the throne, behind her older brother.