Thomas de Mowbray, 4th Earl of Norfolk, 2nd Earl of Nottingham, 8th Baron Segrave, 7th Baron Mowbray (1385 – 8 June 1405), English nobleman and rebel, was the son of Thomas de Mowbray, 1st Duke of Norfolk

Thomas de Mowbray, 1st Duke of Norfolk

Thomas de Mowbray, 1st Duke of Norfolk, KG, Lord Marshal and Earl Marshal was an English nobleman.-Life:...

 and Lady Elizabeth FitzAlan

Lady Elizabeth FitzAlan

Lady Elizabeth Fitzalan, Duchess of Norfolk was an English noblewoman and the wife of Thomas Mowbray, 1st Duke of Norfolk. Through her eldest daughter, Margaret, she was an ancestress of Queens consort Anne Boleyn and Catherine Howard, and the Howard Dukes of Norfolk.-Marriages and children:Lady...

.

Upon the death of his father in Venice

Venice

Venice is a city in northern Italy which is renowned for the beauty of its setting, its architecture and its artworks. It is the capital of the Veneto region...

, he was allowed to succeed him as Earl of Norfolk

Earl of Norfolk

Earl of Norfolk is a title which has been created several times in the Peerage of England. Created in 1070, the first major dynasty to hold the title was the 12th and 13th century Bigod family, and it then was later held by the Mowbrays, who were also made Dukes of Norfolk...

 and Nottingham

Earl of Nottingham

Earl of Nottingham is a title that has been created seven times in the Peerage of England.-Earls of Nottingham, First creation :* John de Mowbray , 5th Baron Mowbray-Earls of Nottingham, Second creation :...

, but not as Duke of Norfolk

Duke of Norfolk

The Duke of Norfolk is the premier duke in the peerage of England, and also, as Earl of Arundel, the premier earl. The Duke of Norfolk is, moreover, the Earl Marshal and hereditary Marshal of England. The seat of the Duke of Norfolk is Arundel Castle in Sussex, although the title refers to the...

. He also received his father's title of Earl Marshal

Earl Marshal

Earl Marshal is a hereditary royal officeholder and chivalric title under the sovereign of the United Kingdom used in England...

, but on a strictly honorary basis, the military rank being held by Ralph Neville, 1st Earl of Westmorland

Ralph Neville, 1st Earl of Westmorland

Sir Ralph de Neville, 1st Earl of Westmorland, 4th Baron Neville de Raby, Lord of Richmond, Earl Marshal, KG, PC , was an English nobleman of the House of Neville...

 as the Marshal of England. He was betrothed to Constance Holland, daughter of John Holland, 1st Duke of Exeter

John Holland, 1st Duke of Exeter

John Holland, 1st Duke of Exeter KG , also 1st Earl of Huntingdon, was an English nobleman, primarily remembered for helping cause the downfall of Thomas of Woodstock, 1st Duke of Gloucester and then for conspiring against Henry IV.He was the third son of Thomas Holland, 1st Earl of Kent and Joan...

, then a child, but the marriage was never consummated.

A quarrel over precedence with Richard de Beauchamp, 13th Earl of Warwick

Richard de Beauchamp, 13th Earl of Warwick

Richard de Beauchamp, 13th Earl of Warwick, Count of Aumale, KG was an English medieval nobleman and military commander.-Early Life:...

 supposedly led to his estrangement from the court of Henry IV

Henry IV of England

Henry IV was King of England and Lord of Ireland . He was the ninth King of England of the House of Plantagenet and also asserted his grandfather's claim to the title King of France. He was born at Bolingbroke Castle in Lincolnshire, hence his other name, Henry Bolingbroke...

. Disaffected, he became involved with the latest rebellion of the Percies in the north, and raised an army with Richard le Scrope

Richard le Scrope

Richard le Scrope was Bishop of Lichfield then Archbishop of York.Scrope earned a Doctorate in canon law. He was provided to the see of Coventry and Lichfield on 18 August 1386, and consecrated on 19 August 1386. He was given the temporalities of the see on 15 November 1386. He was consecrated at...

, Archbishop of York

Archbishop of York

The Archbishop of York is a high-ranking cleric in the Church of England, second only to the Archbishop of Canterbury. He is the diocesan bishop of the Diocese of York and metropolitan of the Province of York, which covers the northern portion of England as well as the Isle of Man...

. Deserted by the Earl of Northumberland

Henry Percy, 1st Earl of Northumberland

Henry Percy, 1st Earl of Northumberland, 4th Baron Percy, titular King of Mann, KG, Lord Marshal was the son of Henry de Percy, 3rd Baron Percy and a descendent of Henry III of England. His mother was Mary of Lancaster, daughter of Henry, 3rd Earl of Lancaster, son of Edmund, Earl of Leicester and...

, Norfolk and Scrope were brought to book on Shipton Moor by a large royal army under John of Lancaster and the Earl of Westmorland. Seeking a parley, they were arrested as soon as they disbanded their followers. When Chief Justice Sir William Gascoigne

William Gascoigne

Sir William Gascoigne Kt. was Chief Justice of England during the reign of King Henry IV. Sir William Gascoigne was born in Gawthorpe W-Riding, Yorks. In 1369, William married Elizabeth de Mowbray...

 refused to pass sentence upon them before they were tried by their peers, Henry had both Norfolk and Scrope summarily beheaded, without colour of law, in York

York

York is a walled city, situated at the confluence of the Rivers Ouse and Foss in North Yorkshire, England. The city has a rich heritage and has provided the backdrop to major political events throughout much of its two millennia of existence...

 on 8 June 1405. This conspiracy is the main historical context for Shakespeare's Henry IV, Part 2

Henry IV, Part 2

Henry IV, Part 2 is a history play by William Shakespeare, believed written between 1596 and 1599. It is the third part of a tetralogy, preceded by Richard II and Henry IV, Part 1 and succeeded by Henry V.-Sources:...

, and the execution is described with the words "so much for Lancaster".