John de Ros, 8th Baron de Ros of Helmsley (1396-1421) was an English nobleman.

He was the eldest son of William de Ros, 7th Baron de Ros

William de Ros, 7th Baron de Ros

William de Ros, 7th Baron de Ros of Helmsley, KG was Lord Treasurer of England.He was a son of Thomas de Ros, 5th Baron de Ros and Beatrice Stafford, daughter of Ralph Stafford, 1st Earl of Stafford. He was also a younger brother of John de Ros, 6th Baron de Ros.-Career:His older brother died...

 and Margaret FitzAlan. His mother was a daughter of John FitzAlan, 2nd Baron Arundel

John FitzAlan, 2nd Baron Arundel

John FitzAlan, 2nd Baron Arundel, 3rd Baron Maltravers jure matris ?, also called John de Arundel , of Buckland, Surrey, was the son of John FitzAlan, 1st Baron Arundel and Eleanor Maltravers....

 and Elizabeth le Despenser

Elizabeth le Despenser

Elizabeth Despenser was an English noblewoman of the late 14th century. She should not be confused with another woman of that name, Elizabeth le Despenser, Baroness Berkeley, the daughter of Eleanor de Clare....

.

He served as a soldier

Soldier

A soldier is a member of the land component of national armed forces; whereas a soldier hired for service in a foreign army would be termed a mercenary...

 of Henry V of England

Henry V of England

Henry V was King of England from 1413 until his death at the age of 35 in 1422. He was the second monarch belonging to the House of Lancaster....

 during the Hundred Years' War

Hundred Years' War

The Hundred Years' War was a series of separate wars waged from 1337 to 1453 by the House of Valois and the House of Plantagenet, also known as the House of Anjou, for the French throne, which had become vacant upon the extinction of the senior Capetian line of French kings...

. Six years after the Battle of Agincourt

Battle of Agincourt

The Battle of Agincourt was a major English victory against a numerically superior French army in the Hundred Years' War. The battle occurred on Friday, 25 October 1415 , near modern-day Azincourt, in northern France...

, John participated in the Battle of Baugé

Battle of Baugé

The Battle of Baugé, fought between the English and the Franco-Scots on 21 March 1421 in Baugé, France, east of Angers, was a major defeat for the English in the Hundred Years' War...

. He was among the casualties along with his brother William de Ros, Thomas of Lancaster, 1st Duke of Clarence

Thomas of Lancaster, 1st Duke of Clarence

Thomas of Lancaster, 1st Duke of Clarence, KG , also known as Thomas Plantagenet, was the second son of King Henry IV of England and his first wife, Mary de Bohun. He was born before 25 November 1387 as on that date his father's accounts note a payment made to a woman described as his nurse...

, the governor of Normandy and others. He was buried at the Belvoir Priory

Belvoir Priory

Belvoir Priory was a Benedictine priory adjacent to Belvoir Castle. Although once described as in Lincolnshire, England it is within the modern Boundaries of Leicestershire, near the present Belvoir lodge....

.

He was married to Margaret Despencer

Margery le Despencer

Margery Despencer was the Daughter and Heir of Philip le Despencer, 2nd Baron le Despencer. She was born about 1397 in Nettlestead, Gloucestershire, England, and Married John de Ros, 8th Baron de Ros. He died without heir, and she then married [2] Roger Wentworth, the son of John Wentworth. It...

 but no children are known to have resulted from this marriage.

Ancestry