Treason Act 1351
1351 CHAPTER 2 25 Edw 3 Stat 5
A STATUTE made at WESTMINSTER; In the Parliament holden in the Feast of Saint Hilary; In the Twenty-fifth Year of the Reign of K. EDWARD the Third.
The original text of this Act was not in modern English. The traditional translation, with obsolete characters modernised, appears first. The original text (as an image) appears second.

Statute the Fifth.

II Declaration what Offences shall be adjudged Treason. Compassing the Death of the King, Queen, or their eldest Son; violating the Queen, or the King’s eldest Daughter unmarried, or his eldest Son’s Wife; levying War; adhering to the King’s Enemies; killing the Chancellor, Treasurer, or Judges in Execution of their Duty.
ITEM, Whereas divers Opinions have been before this Time in what Case Treason shall be said, and in what not; the King, at the Request of the Lords and of the Commons, hath made a Declaration in the Manner as hereafter followeth, that is to say; When a Man doth compass or imagine the Death of our Lord the King, or of our Lady his Queen or of their eldest Son and Heir; or if a Man do violate the King’s Companion, or the King’s eldest Daughter unmarried, or the Wife () the King’s eldest Son and Heir; or if a Man do levy War against our Lord the King in his Realm, or be adherent to the King’s Enemies in his Realm, giving to them Aid and Comfort in the Realm, or elsewhere, and thereof be probably attainted of open Deed by the People of their Condition: . . . , and if a Man slea the Chancellor, Treasurer, or the King’s Justices of the one Bench or the other, Justices in Eyre, or Justices of Assise, and all other Justices assigned to hear and determine, being in their Places, doing their Offices: And it is to be understood, that in the Cases above rehearsed, that ought to be judged Treason which extends to our Lord the King, and his Royal Majesty: . . .
Variant reading of the text noted in The Statutes of the Realm as follows: what case should be adjudged Treason, and what not;
Variant reading of the text noted in The Statutes of the Realm as follows: Wife
Variant reading of the text noted in The Statutes of the Realm as follows: of
Variant reading of the text noted in The Statutes of the Realm as follows: proveably MS. Tr.
Variant reading of the text noted in The Statutes of the Realm as follows: People
Words repealed by the Act 2 & 3 Will. 4 c. 34, s. 1 and Forgery Act 1830 (c. 66), s. 31
Variant reading of the text noted in The Statutes of the Realm as follows: it
Words repealed by the Act 9 Geo. 4 c. 31, s. 1, the Act 10 Geo. 4 c. 34 s. 1, Escheat (Procedure) Act 1887 (c. 53), Sch., Statute Law Revision Act 1948 (c. 62), Sch. 1, Criminal Law Act 1967 (c. 58), Sch. 3 Pt. I and Criminal Law Act (Northern Ireland) 1967 (c. 18), Sch. 2 Pt. I

Short title given by Short Titles Act 1896 (c. 14)
Act modified (26.3.2015) by Succession to the Crown Act 2013 (c. 20), s. 5(2), Sch. para. 1; S.I. 2015/894, art. 2