Michael Matthew Groat PhD's Genealogical Database
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Gedcom Last Modified: December 14, 2025 00:59:10
William de Ros of Helmsley
- Preferred Name: William de Ros of Helmsley[1] [2] [3] [4] [5] [6] [7] [8] [9] [10] [11] [12] [13] [14] [15]
- Alternate Name: William Ross
- Alternate Name: William of Helmsley
- Alternate Name: William de Ros
- Gender: M
- Fact: with note: Description: William died while in the King's service in France
- Birth: ABT 1191 in Helmsley, Yorkshire, England at LATI: N4.2467 LONG: E1.0558
- Occupation: Member of ParliamentBET 1235 AND 1236
- Death: ABT 1264 in Yorkshire, England
- Residence: in Helmsley, Yorkshire, England at LATI: N4.2467 LONG: E1.0558 with note: GEDCOM data
- FSID: 9HZG-9Q4
- Notes:
=== Life Sketch ===
William de Ros, Lord of Helmsley, was an English noble. He was the eldest son of Robert de Ros and Isabella Mac William.
With his father he opposed King John of England, during the First Barons War 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 father's care in October 1217.
He was buried in Kirkham Priory, 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.[2]
- Alexander de Ros
- Herbert de Ros
- John de Ros
- Lucy de Ros
- Alice de Ros, married John Comyn of Badenoch, had issue.
https://en.wikipedia.org/wiki/William_de_Ros_of_Helmsley
=== Sir William De Ros ===
----------------------------
John, 7th baron, m. Agnes de Neville (whose 1st husband was Richard de Percy), and was s. by their son, Edmund. [Sir Bernard Burke, Dormant, Abeyant, Forfeited and Extinct Peerages, Burke's Peerage, Ltd., London, England, 1883, p. 170, d'Eyncourt, Barons d'Eyncourt]
=== De Ros
===
De Ros
=== Sir William Ros ===
Roger Bertram was commanded by Henry III to march with the Barons of the North into Scotland for the rescue of the young King of Scots, the King of Enland's son-in-law, from the hands of his rebellious subjects.
=== !NAME: "Robert de Ros," !TITLE: ". . .Ma ===
!NAME: "Robert de Ros," !TITLE: ". . .Magna Charta Surety, Knight Templar," !MARRIAGE:". . . m. Isabel, at Haddington, natural daughter, (of William, the Lion, King of Scots) !REFERENCE-QUOTED: Langston & Buck et al, - PEDIGREES OF SOME OF EMPEROR CHARLEMAGNE'S DESCENDANTS; Genealogical Publishing Company, Inc., Baltimore, Md, 1988, p. 251, Vol. II; Sutro Library, San Francisco, CA.
=== note De Ros
===
De Ros
Preferred Parents:
Father: Robert de Ros I, b. ABT 1172 in Yorkshire, England d. BEF 23 DEC 1226
Mother: Isabella of Scotland , b. ABT 1169 in Dunfermline, Fifeshire, Scotland d. 1240 in London, Middlesex, England
Family 1: Lucy FitzPeter, b. 1207 in West Dean, Gloucestershire, England d. AFT 29 SEP 1266 in Yorkshire, England
- m. ABT 1220 in Yorkshire, England
- m. ABT 1225 in Helmsley, Yorkshire, England, UK
- m. 1225 in Yorkshire, England
- William de Ros II of Ingmanthorp, b. ABT 1231 in Yorkshire, England d. BEF 28 MAY 1310 in Yorkshire, England
- Robert de Ros III, b. ABT 1230 in Helmsley, Yorkshire, England d. 13 MAY 1285 in Belvoir, Leicestershire, England
- Anne de Ros, b. 1230 in Helmsley, Yorkshire, England d. 1290 in North Riding, Yorkshire, England
Sources:
- Title: Ancestral Roots of Certain American Colonists by Frederick Lewis Weis
Author: p 96
Publication: Name: https://books.google.com/books?id=3F9nG8aFJ7MC&pg=PA96#v=onepage;
- Title: Magna Charta Barons & Their American Descendants by Charles Henry Browning
Author: p 189
Publication: Name: https://books.google.com/books?id=hTUfAAAAMAAJ&pg=PA189#v=onepage;
- Title: Our Royal, Titled, Noble, and Commoner Ancestors
Author: Our Royal, Titled, Noble, and Commoner Ancestors
Publication: Name: https://our-royal-titled-noble-and-commoner-ancestors.com/p366.htm#i10987;
Note: Father Robert de Roos, Magna Carta Surety, 4th Baron Hamlake, Sheriff of Cumberland b. bt 1170 - 1172, d. 1227
Mother Isabel of Scotland b. c 1165
Sir William de Roos was born circa 1193 at of Helmsley & Hunsignore, Yorkshire, England.5 He married Lucia FitzPiers, daughter of Piers FitzHerbert, Sheriff of Yorkshire, Keeper of Pickering Castle and Alice FitzRoger, before 24 January 1234; They had 6 sons (Sir Robert; Sir Peter; Sir William; Sir Alexander; Sir Herbert; & John) and 2 daughters (Lucy, wife of Sir William de Kyme; & Alice, wife of Sir John Comyn, & of Sir James de Byron). Sir William de Roos died in 1258 or 1264; Buried at Kirkham Abbey, Yorkshire.
Family
Lucia FitzPiers d. a 29 Sep 1266
Children
Alicia de Roos d. c 29 Apr 1286
Lucy de Roos d. a 1281
Sir Alexander de Roos
Sir Herbert de Ros
Sir John de Ros
Sir Robert de Roos b. c 1223, d. 17 Jun 1285
Sir William de Roos b. c 1244, d. c 28 May 1310
- Title: The Peerage
Author: The Peerage
Publication: Name: https://www.thepeerage.com/p17620.htm#i176195;
Note: Sir William de Ros was the son of Robert de Ros, 1st Lord Ros of Helmsley and Isabella (?)1 He married Lucy FitzPiers, daughter of Piers FitzHerbert. He died circa 1264.
He opposed King John. He held the office of Member of Parliament (M.P.) from 1235 to 1236. He lived at Helmsley, Yorkshire, EnglandG.1
Children of Sir William de Ros and Lucy FitzPiers
Sir Robert de Ros d. 17 Mar 1285
Sir William de Ros d. 28 May 1310
Piers de Ros
- Title: British History Online: South Muskam & South Carleton
Author: p 148-152
Publication: Name: http://www.british-history.ac.uk/thoroton-notts/vol3/pp148-152#anchorn11;
- Title: Foundation for Medieval Genealogy
Author: Foundation for Medieval Genealogy
Publication: Name: http://fmg.ac/Projects/MedLands/ENGLISHNOBILITYMEDIEVAL3P-S.htm#RobetRosdied1285;
- Title: Royal Descents of 600 immigrants to the American Colonies by Gary Boyd Roberts
Author: p 416 & 431
Note: William I, King of Scotland
Isabel of Scotland (illegitimate by daughter of Richard Avenal) = Robert de Ross, Magna Charta Surety
Sir William de Ross = Lucy FitzPiers
Sir William de Ros = Eustache FitzHugh
Lucy de Ros = Sir Robert Plumpton
Sir Wiliam Plumpton = Christine Mowbray
Alice Plumpton = 1. Sir Richard Sherburne , 2. Sir John Boteler
Page: Reference to ancestors of Sir William I of Hamlake de Ros
- Title: William de Ros of Helmsley, Wikipedia
Publication: Name: https://en.wikipedia.org/wiki/William_de_Ros_of_Helmsley;
Note: William de Ros, Lord of Helmsley, was an English noble. He was the eldest son of Robert de Ros and Isabella Mac William. With his father he opposed King John of England, during the First Barons War 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, Kirkham, North Yorkshire, England. He married Lucy FitzPeter, the daughter of Peter FitzHerbert and Alice FitzRoger.
Page: Relationships
- Title: William de Ros (1192-1264), Find a Grave
Author: link from son Robert
Publication: Name: https://www.findagrave.com/memorial/70352904/william-de-ros;
Note: Sir William de Ros
BIRTH 1192 Helmsley, Ryedale District, North Yorkshire, England
DEATH 1264 (aged 71–72) England
BURIAL Kirkham Priory
Kirkham, Ryedale District, North Yorkshire, England
MEMORIAL ID 70352904
Son and heir to Robert de Ros and Isabel of Scotland. Husband of Lucy FitzPeter, daughter of Peter FitzHerbert of Blaen Llyfni, Breconshire, Wales and Alice FitzRobert. They were married before 24 Jan 1234 and had six sons and two daughters. William was excommunicated with his father by Pope Innocent III on 16th of December 1215. He was taken as prisoner at the Battle of Lincoln on 20 May 1217. Sir William died 1258 or 1264, buried at Kirkham
Page: Ancestry
- Title: Magna Carta Ancestry of Nancy F. HATCH, Early Mormon Pioneer [This source has an invalid URL link.]
Author: Magna Carta Ancestry: A Study In Colonial And Medieval Families, Douglas Richardson, Genealogical Publishing Company, 2005 (First Edition) ISBN-10: 0806317590 | ISBN-13: 978-0806317595
Publication: Name: http://www.royalancestry.net;
Note: Magna Carta Ancestry ROGER Le BIGOD, ROBERT De VERE, ROBERT De ROOS :
Follow Hatch-Colburn-Nelson lineage charts
pg 774-778 See entry "Stapleton" pp 778 for (Capt.) Phillip Nelson married Elizabeth Lowell (ROGER Le BIGOD and ROBERT De ROOS )
pp 531-533 See entry "Lowell" for Percival Lowell (ROBERT De VERE)
pp 900-901 See entry "Worden" for Peter Worden (ROBERT De ROOS)
Page: Reference to ancestors of Sir William I of Hamlake de Ros
- Title: British History Online: Orston
Author: p 218-225
Publication: Name: http://www.british-history.ac.uk/thoroton-notts/vol1/pp218-225;
Page: Ancestry
- Title: The Royal Ancestry of 600 Immigrants: William de Ros, Descendant of William I the Lion, King of Scotland
Author: "Ancestry.com." The Royal Descents of 600 Immigrants https://www.ancestry.com/imageviewer/collections/49324/images/FLHG_RoyalDescentsof600Immigrants-0520?indiv=try&h&db. Accessed 4 May. 2023.
Publication: Name: https://www.ancestry.com/imageviewer/collections/49324/images/FLHG_RoyalDescentsof600Immigrants-0520?indiv=try&h&db;
Note: Source created by RecordSeek.com
Page: Attached by RecordSeek
- Title: Lucy FitzPeter in Magna Carta Ancestry
Author: Magna Carta Ancestry: A Study in Colonial and Medieval Families, 2nd Edition, 2011 by Douglas Richardson pg 4
Publication: Name: https://books.google.com/books?id=8JcbV309c5UC&printsec=frontcover&source=gbs_ge_summary_r&cad=0#v=onepage&q&f=false;
Page: Ancestry
- Title: Wikipedia: Robert de Ros (died 1227)
Publication: Name: https://en.wikipedia.org/wiki/Robert_de_Ros_(died_1227);
Page: Ancestry
- Title: The Royal Ancestry Bible, a 3,400 pedigree chart to Charlemagne & House of Plantagenet
Author: The Royal Ancestry Bible (3-volume set) with complete pedigree charts online digital version URL: https://familysearch.org/search/catalog/1261938?availability=Family%20History%20Library Volume 1 https://dcms.lds.org/delivery/DeliveryManagerServlet?dps_pid=IE7616356 Volume 2 https://dcms.lds.org/delivery/DeliveryManagerServlet?dps_pid=IE8697050 Volume 3 https://dcms.lds.org/delivery/DeliveryManagerServlet?dps_pid=IE9507188 URL http://www.royalancestors.com
Publication: Name: https://www.familysearch.org/photos/artifacts/38196691;
Note: The Royal Ancestry Bible (RAB)is a 3,400 pedigree chart compilation (plus index and appendix) containing Royal Ancestors of 300 Colonial American Families who are themselves ancestors of 70 million Americans – Condensed edition with Mormon Pioneer supplement. (2006)
Author: Michel L. Call
Additional resource
RAB Condensed Edition with Mormon Pioneer Supplement by Michel L Call
Page: Reference to ancestors of Sir William I of Hamlake de Ros
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