Katherine Tudor was the eighth and last child of King Henry VII of England

Henry VII of England

Henry VII was King of England and Lord of Ireland from his seizing the crown on 22 August 1485 until his death on 21 April 1509, as the first monarch of the House of Tudor....

 and Elizabeth of York

Elizabeth of York

Elizabeth of York was Queen consort of England as spouse of King Henry VII from 1486 until 1503, and mother of King Henry VIII of England....

. She was born at the Tower of London

Tower of London

Her Majesty's Royal Palace and Fortress, more commonly known as the Tower of London, is a historic castle on the north bank of the River Thames in central London, England. It lies within the London Borough of Tower Hamlets, separated from the eastern edge of the City of London by the open space...

 and died shortly after her birth.

Elizabeth of York did not survive long after Katherine's death. Still grieving for her eldest son, Arthur

Arthur, Prince of Wales

Arthur Tudor, Prince of Wales was the first son of King Henry VII of England and Elizabeth of York, and therefore, heir to the throne of England. As he predeceased his father, Arthur never became king...

, who had died shortly before she became pregnant, Elizabeth succumbed to a post-pregnancy infection on 11 February 1503, her thirty-seventh birthday.

Katherine's older siblings included Arthur, Margaret

Margaret Tudor

Margaret Tudor was the elder of the two surviving daughters of Henry VII of England and Elizabeth of York, and the elder sister of Henry VIII. In 1503, she married James IV, King of Scots. James died in 1513, and their son became King James V. She married secondly Archibald Douglas, 6th Earl of...

, the future Henry VIII

Henry VIII of England

Henry VIII was King of England from 21 April 1509 until his death. He was Lord, and later King, of Ireland, as well as continuing the nominal claim by the English monarchs to the Kingdom of France...

, Elizabeth, Mary, and Edmund

Edmund Tudor, Duke of Somerset

Edmund Tudor, Duke of Somerset was the sixth child of Henry VII of England and Elizabeth of York.Edmund's elder siblings were Arthur, Prince of Wales, Margaret, queen consort of Scotland, Henry VIII of England, Elizabeth and Mary, Queen consort of France...

.

Ancestry