List of British monarchy records
Summary
Table:
Record name

Highest record

Holder(s)

Lowest record

Holder(s)

Length of Reign

26,734d (73a)

Elizabeth II

40d

Sweyn

Longevity

36,156d (98a)

2,727d (7a)

Margaret of Norway

Longevity of heir apparent

27,974d (76a)

Charles, Prince of Wales

52d

Henry of Surrey

Longevity of presumptive

30,552d (83a)

Sophia of Hanover

~3,650d (10a)

Richard of Shrewsbury

Age of ascension

23,684d (64a)

William IV

6d

Mary, Queen of Scots

Age difference between monarchs

19,940d (54a)

George II and George III

539d (1a)

Edward VIII and George VI

Age at marriage

22,000d (60a)

Edward I

1,595d (4a)

David II

Consort's age at marriage

~13,870 (38a)

Maud of Huntingdon

2,640d (7a)

Isabella of Valois

Length of marriage

1,947d (77a)

Elizabeth II and Prince Philip

143d

Alexander III and Yolande of Dreux

Number of marriages

6

Henry VIII

0

Æthelstan, Eadred, Edward the Martyr, Canute II, William II, Edward V, Edward VI, Elizabeth I, and Edward VIII

Number of children

29

Henry I of England

Æthelstan, Eadred, Eadwig, Edward the Martyr, Canute II, Edward the Confessor, William II, Richard II, Edward V, Edward VI, Mary I, Elizabeth I, William III, Mary II and Edward VIII

Number of legitimate children

19

Edward I of England

+Richard I, and Charles II

Age of parent

66a

18a

Harold Harefoot

Height

1.94 m

Edward IV

1.52 m

Victoria

Taking into account the following table concerning the 'Summary' part of 'List of British monarchy records', formulate a single-sentence overview of the highlighted cells and provide it inside the JSON object {"answer": "YOUR ANSWER"}.