Editors. "The Protector's brother is executed for treason". The Literary Encyclopedia. First published 01 November 2010
[http://www.litencyc.com/php/stopics.php?rec=true&UID=14789, accessed 24 May 2013.]
Thomas Lord Seymour of Sudeley, the Protector's brother, is executed for treason, accused of having plotted to kidnap the King, either with the purpose of taking the young Edward under his control, or of replacing him with his elder sister Elizabeth.