On 25 Jul 1553 John Dudley 1st Duke Northumberland (age 49), John Dudley 2nd Earl Warwick (age 26), Robert Dudley 1st Earl of Leicester (age 21), Guildford Dudley (age 18), Andrew Dudley (age 46), Henry Dudley (age 22) and Henry Manners 2nd Earl of Rutland (age 26) and Francis Hastings 2nd Earl Huntingdon (age 39) were imprisoned at the Tower of London [Map] for supporting Jane "Nine Days Queen" Grey I Queen England and Ireland (age 17).

Henry Machyn's Diary. 17 Aug 1553. The xvij day of August was mad a grett skaffold in Westmynster hall agaynst the morow, for the duke of Northumberland (age 49) commyng to be raynyd, with odur, as the marqwes of Northamton (age 41) and the yerle of Warwyke (age 26).

Henry Machyn's Diary. 18 Aug 1553. The xviij day of August was reynyd at Westmynster hall the marqwes of Northamton (age 41), and the duke (age 49), and th'erle of Warwyke (age 26), and so they wher condemnyd to be had to the place that thay cam fro, and from thens to be drane thrugh London onto Tyburne [Map], and ther to be hangyd, and then to be cott downe, and ther bowells to be brentt, and ther heds to be sett on London bryge and odur [places.]

On 18 Aug 1553 John Dudley 1st Duke Northumberland (age 49) and John Dudley 2nd Earl Warwick (age 26) were tried at Westminster Hall [Map].

Thomas Howard 3rd Duke of Norfolk (age 80) presided at the trial.

Henry Machyn's Diary. 19 Aug 1553. [The xix day were arraigned at Westminster hall sir Andrew Dudley (age 46), sir John Gates (age 49), sir Harry] Gattes, ser Thomas Palmer, and cast [to be hanged and] quartered.

Note. Sir John Gates and sir Thomas Palmer. These two knights were beheaded with the duke of Northumberland on the 22d August. Stowe in his Summarie preserves a soubriquet of the latter: he was called, "buskin Palmer." See a note regarding him in the Life of Lord Grey of Wilton, p. 3. He had received a pardon for all treasons, &c. Feb. 1551–2.

On 19 Aug 1553 Andrew Dudley (age 46) was tried at Westminster Hall [Map].

Henry Machyn's Diary. 21 Aug 1553. The xxj of August was, by viij of the cloke in the mornyng, on the Towre hylle a-boythe x M1. men and women for to have [seen] the execussyon of the duke of Northumberland (age 49), for the skaffold was mad rede, and sand and straw was browth, and all the men [that] longest to the Towre, as Hogston, Shordyche, Bow, Ratclyff [Map], Lymhouse, Sant Kateryns, and the waters of the Towre, and the gard, and shyreyffs offesers, and evere man stand in order with ther holbardes, and lanes made, and the hangman was ther, and sodenly they wher commondyd to [depart].