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Queen Elizabeth II and Prince Philip: How Are They Related?

Besides Being Husband and Wife

By

Royal Wedding Elizabeth and Philip

Elizabeth and Philip on their wedding day, November 20, 1947

Getty Images / Hulton Archive

Question: How are Queen Elizabeth II and Prince Philip related?

Are Prince Philip and Queen Elizabeth II cousins? How are they related? Besides being husband and wife, Queen Elizabeth II and Prince Philip share ancestry. Who are those latest common ancestors?

Answer: Elizabeth and Philip are both descended from Christian IX of Denmark and from Queen Victoria.

Philip was born Prince Philip of Greece and Denmark. He gave up the title of Prince when he became a British citizen and converted from Greek Orthodoxy to Anglicanism. His family name was Battenburg, which became Mountbatten. He was granted the title of Duke of Edinburgh and the style of His Royal Highness on his marriage, by his new father-in-law, George VI.

Philip to Queen Victoria

  1. Philip's mother was Princess Alice of Battenburg who was born at Windsor Castle. She was congenitally deaf and in 1930 diagnosed with schizophrenia. Princess Alice's husband, mentioned below, was Prince Andrew of Greece and Denmark.
  2. Princess Alice's mother was Princess Victoria of Hesse and by Rhine, Philip's maternal grandmother. Princess Victoria was married to Prince Louis of Battenberg.
  3. Princess Victoria of Hesse and by the Rhine was the daughter of Princess Alice of the United Kingdom, Philip's great grandmother.
  4. Princess Alice's mother was Queen Victoria, Philip's great great grandmother.

Elizabeth to Queen Victoria

  1. Elizabeth's father was George VI.
  2. George VI's father was George V, Elizabeth's grandfather.
  3. George V's father was Edward VII, Elizabeth's great grandfather.
  4. Edward VII's mother was Queen Victoria, Elizabeth's great great grandmother.

Answer 1

Thus Philip and Elizabeth are third cousins through this relationship, Philip descended from Victoria's daughter Alice and Elizabeth from Victoria's son Edward VII.

But wait -- there's more!

Elizabeth to Christian IX of Denmark

  1. Elizabeth's father was George VI.
  2. George VI's father was George V, Elizabeth's grandfather.
  3. George V's mother was Alexandra of Denmark, Elizabeth's great grandmother.
  4. Alexandra of Denmark's father was Christian IX of Denmark, Elizabeth's great great grandfather.

Philip to Christian IX of Denmark

  1. Prince Andrew of Greece and Denmark was Philip's father, married to Princess Alice of Battenburg, listed above.
  2. George I of Greece was Prince Andrew's father and Philip's grandfather.
  3. Christian IX of Denmark was George I's father, and Philip's great grandfather.

Answer 2

Thus Philip and Elizabeth are second cousins once removed through this relationship. Alexandra of Denmark and George I of Greece were siblings.

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