Upon the death of Queen Elizabeth II on Sept. 8, her son King Charles III immediately ascended the throne. Buckingham Palace announced Thursday the longest-reigning monarch had died at Balmoral Castle surrounded by members of the royal family.
The announcement was made shortly after the queen had been placed under medical supervision after her doctors became "concerned" for her health earlier that day.
The queen's death brought about an immediate and historic change in titles and roles within the royal family. Prince Charles, now King Charles III's, heir to the throne is his eldest son, Prince William.
LIVE UPDATES: KING CHARLES III ARRIVES IN SCOTLAND AHEAD OF CASKET PROCESSIONS FOR QUEEN ELIZABETH
Line of succession for the British throne:
The succession to the British throne "is regulated not only through descent but also by Parliamentary statute," according to the royal family’s website.
Here’s a look at who currently is in line for the throne after Queen Elizabeth II, who is 96 years old.
1. The Prince of Wales
Prince William, the Prince of Wales, is the oldest son of Charles. The 40-year-old is first in line to the throne. He married Kate Middleton in 2011.
William and Catherine "Kate" Middleton, who were named the Prince and Princess of Wales by King Charles III on Friday, were previously known as the Duke and Duchess of Cambridge.
2. Prince George of Wales
At only 9 years old, Prince George of Cambridge is second in line of succession to the British throne. He is the oldest child of Prince William.
4. Princess Charlotte of Wales
Princess Charlotte of Wales is the second child of Prince William and Princess Kate. She is 7 years old.
QUEEN ELIZABETH II DIES: WORLD LEADERS PAY TRIBUTE AFTER BRITISH MONARCH'S PASSING
5. Prince Louis Arthur Charles of Wales
Prince William and Princess Catherine welcomed their third child, a boy, on April 23, 2018. The four-year-old is fourth in line to the throne.
He was named after William's grandfather, King Charles III, and the Duke's mentor -- Louis Mountbatten -- who was killed by a bomb in 1979.
6. Prince Harry, Duke of Sussex
Prince Harry is the sixth in line to the throne. He is the younger son of Charles, the Prince of Wales.
7. Archie Harrison Mountbatten-Windsor
Prince Harry and Meghan welcomed their first child, a boy, on May 6, 2019. They named him Archie, and the three-year-old is sixth in line to the throne— behind his dad.
He is Queen Elizabeth II's eighth great-grandchild and the younger cousin of Prince George, Princess Charlotte and Prince Louis.
8. Lilibet Diana Mountbatten-Windsor
Miss Lilibet Mountbatten-Windsor, 1, is seventh in line to the throne, behind her older brother.
CLICK HERE TO SIGN UP FOR THE ENTERTAINMENT NEWSLETTER
9. Duke of York
Prince Andrew, the Duke of York, is Queen Elizabeth II’s third child and second son. The 62-year-old is eigth in line of succession to the British throne.
10. Princess Beatrice of York
Princess Beatrice of York is Prince Andrew’s oldest daughter. She is 34 years old.