In 1278, the castle became the property of King Edward I. As a favoured residence of Edward's, it saw considerable investment.

This custom dates back to King Edward I. The red purse contains regular currency and is given in place of food and clothing.

One such visitor was King Edward I. In 1290 he held parliament at the abbey while he spent Christmas in Pitstone.

His burial was paid for by King Edward I.

They ought to call him King Edward I. of Scotland.

William de Beauchamp was a capable military commander, who played an important part in the Welsh and Scottish wars of King Edward I.

The heads of McQuillan and two Irish chiefs were sent to King Edward I.

On his return in 1305 he was apparently sentenced to death, but soon pardoned and restored to favour by King Edward I.

Henry IV passes the title to his son, Prince Edward - later to become King Edward I.

Through his grandmother, Margaret de Bohun (3 April 1311 - 16 December 1391), he was a descendant of King Edward I.