In medieval London, there were multiple public places of execution, places where death sentences which had been given to prisoners convicted of serious crimes against the monarch or the state, including treason and heresy, were carried out. These locations included Tyburn (the location of the city's primary public gallows), Smithfield marketplace and the churchyard of St-Giles-in-the-Field. In 1464, another site was established on a raised plot of land, overlooking the Tower

On 13 June 1548, after months of preparation, Katherine and Seymour moved their households to Sudeley Castle in the Gloucestershire countryside, leaving behind the controversy and a disease-filled London.

On 17 January 1549, Thomas Seymour, 1st Baron Seymour of Sudeley, and Lord High Admiral, was arrested at his London home of Seymour Place, on The Strand, on charges of treason.

On This Day (05 Sep) in 1548, Katherine Parr died at Sudeley Castle, a week after giving birth to her only daughter Mary.

Jane Grey, eldest daughter of Henry Grey, Marques of Dorset and later Duke of Suffolk and his wife Frances Brandon.

Thomas Seymour was born in c.1508, a younger brother to Edward Seymour, Earl of Hertford and later Duke of Somerset, and older brother to Jane Seymour, Queen of England. Their parents were Sir John Seymour and Margaret Wentworth, and their family seat was Wulfhall, in Wiltshire.