2nd Baron of Hamlake William de Ros

1244 - 1316  (72 years)

• Name	William de Ros  [1, 2, 3]
  Title	2nd Baron of Hamlake
  Birth	27 Jun 1244	Helmsley, Yorkshire, England   [1, 2, 3]
  Gender	Male
  Kinfolk of Note	Direct Ancestor of Katherine Parr, Queen of England
  Death	16 Aug 1316	Youlton, Yorkshire, England   [1, 2, 3]
  Burial	Kirkham, Yorkshire, England   [3]
  	Kirkham Priory
  Person ID	I20024	A Tree Called Smith
  Last Modified	21 Jul 2025

  
  

  Father	Sir Robert de Ros,   b. 3 Mar 1223, Yorkshire, England d. 17 May 1285, Leicestershire, England (Age 62 years)
  Relationship	natural
  Mother	Isabel d'Aubeney,   b. 1233, Leicestershire, England d. 15 Jun 1301, Gedling, Nottinghamshire, England (Age 68 years)
  Relationship	natural
  Family ID	F5161	Group Sheet  |  Family Chart

  
  

  Family	Maud de Vaux,   b. 1261, Freiston, Lincolnshire, England d. 1312, Youlton, Yorkshire, England (Age 51 years)
  Marriage	Bef 1287  [4]
  Children	1. 2nd Lord Ros, Knight of Helmsley and Hunsingore, Yorkshire, Wark, Northumberland Sir William de Ros,   b. 1288, Yorkshire, England d. 3 Feb 1343, Yorkshire, England (Age 55 years)  [Father: natural]  [Mother: natural]
  Family ID	F7649	Group Sheet  |  Family Chart
  Last Modified	21 Jul 2025

  
  

• Event Map

  Birth - 27 Jun 1244 - Helmsley, Yorkshire, England Death - 16 Aug 1316 - Youlton, Yorkshire, England Burial - - Kirkham, Yorkshire, England  = Link to Google Earth

  
  

• Arms Icons & Insignia

  Arms-ROOS "Coat of arms of Robert de Roos, Lord of Hamlake Castle" by Rs-nourse - Own work. Licensed under CC BY-SA 3.0 via Wikimedia Commons - https://commons.wikimedia.org/wiki/File:Coat_of_arms_of_Robert_de_Roos,_Lord_of_Hamlake_Castle.png#/media/File:Coat_of_arms_of_Robert_de_Roos,_Lord_of_Hamlake_Castle.png

  
  

• Sources

  [S984] Heritage Consulting, Millennium File, (Name: Ancestry.com Operations Inc; Location: Provo, UT ; Date: 2003;). [S202] Ancestry.com, Web: Netherlands, GenealogieOnline Trees Index, 1000-Current, (Name: Ancestry.com Operations, Inc.; Location: Provo, UT ; Date: 2014;). [S6040] FindAGrave Old World, William de Ros 1255-1316. Sir William de Ros was the eldest son of Sir Robert de Ros/Roos and Isabel d'Albini/d'Aubigney. Grandson of Sir William de Roos, 4th Baron Hamlake and Lucy FitzPiers, William d'Albini IV and Isabel. Born in Hamslake, now known as Helmsley. Husband of Maud de Vaux, daughter and co-heiress of Sir John. They had several children: * William de Ros, 2nd Baron de Ros married Margery de Badlesmere * Sir John de Ros married Margaret de Goushill * Thomas de Ros * George de Ros * Agnes de Ros, married Sir Payn Talbot & Sir Thomas de Vere * Alice de Ros, who married Sir Nicholas de Meinill * Margaret de Ros William succeeded to the family honors on the death of his mother, and was an unsuccessful competitor to the crown of Scotland, basing his claim in his descent from his great grandmother, a daughter of William I of Scotland by a mistress. When Robert de Ros, Lord Werke, was intending on surrendering his castle to the Scots, William warned the king who sent thousands of men for support. William took possession of the castle and became the Marshall of the West Marches. https://www.findagrave.com/memorial/7645911/william-de-ros [S164] Yates Publishing, U.S. and International Marriage Records, 1560-1900, (Name: Ancestry.com Operations Inc; Location: Provo, UT ; Date: 2004;), Source number: 1969.000; Source type: Electronic Database; Number of Pages: 1; Submitter Code: GB1.