William de Ros, Lord of Helmsley, was an English noble. He was the eldest son of
Robert de Ros and
Isabella Mac William
Isabella mac William (born 1165) (Gaelic: ''Isibéal nic Uilliam'') was the illegitimate daughter of William the Lion King of Scots by a daughter of Robert Avenel
Robert Avenel (died 8 March 1185) was a 12th-century Anglo-Norman magnate. He w ...
.
With his father he opposed King
John of England
John (24 December 1166 – 19 October 1216) was King of England from 1199 until his death in 1216. He lost the Duchy of Normandy and most of his other French lands to King Philip II of France, resulting in the collapse of the Angevin Emp ...
, during the
First Barons War
The First Barons' War (1215–1217) was a civil war in the Kingdom of England in which a group of rebellious major landowners (commonly referred to as barons) led by Robert Fitzwalter waged war against King John of England. The conflict resulte ...
between 1215 and 1217. Both he and his father were excommunicated during the rebellion. William was captured during the
battle of Lincoln on 19 May 1217 and became a prisoner, before paying 20 marks to be released into his fathers care in October 1217.
He was buried in
Kirkham Priory
The ruins of Kirkham Priory are situated on the banks of the River Derwent, at Kirkham, North Yorkshire, England. The Augustinian priory was founded in the 1120s by Walter l'Espec, lord of nearby Helmsley, who also built Rievaulx Abbey. Th ...
,
Kirkham, North Yorkshire, England.
Marriage and issue
He married Lucy FitzPeter, the daughter of
Peter FitzHerbert and Alice FitzRoger, they are known to have had the following issue:
*
Robert de Ros (died 1285), married Isabel d'Aubigny, had issue.
*Peter de Ros
*William de Ros (died about 28 May 1310), married Eustache FitzHugh, had issue.
*Alexander de Ros
*Herbert de Ros
*John de Ros
*Lucy de Ros
*Alice de Ros, married
John Comyn of Badenoch, had issue.
Citations
References
*
{{DEFAULTSORT:De Ros, William
Year of birth unknown
Year of death unknown
13th-century English nobility
People from Helmsley
English feudal barons
category:Burials in North Yorkshire
De Ros family
English rebels
English prisoners and detainees
Prisoners and detainees of England and Wales