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Family:
Marriage: Children:
  1. Robert De ROS, Magna Charta Surety Birth: Abt 1172 Death: Before 23 Dec 1226
  2. Piers De ROS
  3. Joan De ROS

Bibliography
  1. Burke, Sir John Bernard, Genealogical and Heraldic History of the Peerage Baronetage and Knightage. 99th edition. London: Burke's Peerage, 1949. Available at http://archive.org/details/burkesgenealogic1949unse. Information from this source tagged as [Ref: Burke Peerage [cx0-9]*].
  2. Cokayne, George Edward, Complete Peerage of England, Scotland, Ireland, Great Britain, and the United Kingdom, extant, extinct, or dormant, vol 11, Ridley-Sinclair. London: St Catherine Press, 1949. Reprinted (4 per page) Gloucester: A Sutton, 1982. Available at https://familysearch.org/search/catalog/27141 Information from this source tagged as [Ref: CP XI [Ap][p0-9].*].
  3. Duvall, Jeffrey A, Murders, Mistresses, and More-Further Thoughts on the Ancestry of Frances (Baldwin) Townshend-Jones-Williams. Virginia Genealogist 50 (2006) p121-9. Available at http://americanancestors.org/databases/virginia-genealogist-the/image Information from this source tagged as [Ref: Duvall FrancesBaldwin p[0-9]*].
  4. Hedley, W Percy, Northumberland Families. Newcastle-upon-Tyne: H.Hill, 1968. NYPL ARX+ (Northumberland) (Hedley, W.P. Northumberland families). Available (search only) at https://catalog.hathitrust.org/Record/000319577. Information from this source tagged as [Ref: Hedley Northumberland p[0-9]*].
  5. Holloway, Naomi D, The Genealogy of Mary Wentworth, Who Became the Wife of William Brewster, Revised Edition, October 1969. LDS Film#1738313 item#5 Information from this source tagged as [Ref: Holloway WENTWORTH p[0-9a]*].
  6. Keats-Rohan, K.S.B., Domesday Descendants, A Prosopography of Persons Occurring in English Documents 1066-1166. Vol II: Pipe Rolls to Cartae Baronum. Bury St Edmunds, Suffolk: Boydell Press, 2002. NYPL ARF 03-4178 vol 2. Corrections at http://users.ox.ac.uk/~prosop/domesday-descendants-corrigenda.pdf Information from this source tagged as [Ref: Keats-Rohan DD p[0-9]*].
  7. Richardson, Douglas, Royal Ancestry. Salt Lake City, Utah: Douglas Richardson, 2013. NYPL JFF 16-1184 v1-5 Information from this source tagged as [Ref: Richardson RoyalAnc v4p[0-9]*].
  8. Sanders, I. J., English Baronies, A Study of Their Origin and Descent 1086-1327. Oxford: Clarendon Press, 1960. Information from this source tagged as [Ref: Sanders Baronies p[0-9]*].
  9. Watney, Vernon James, The Wallop Family and their Ancestry, Oxford:John Johnson, 1928. LDS Film#1696491 items 6-9. NYPL ARZ+ (Wallop) (Watney, V. J. Wallop family). Available at https://familysearch.org/search/catalog/213421. Information from this source tagged as [Ref: Watney WALLOP #[0-9]*].
  10. Weis, Frederick Lewis, Walter Lee Sheppard, Jr, David Faris, Ancestral Roots of Certain American Colonists who came to America before 1700, 7th Edition, Baltimore: Genealogical Publishing Co, 1992. Information from this source tagged as [Ref: Weis AR7 #[0-9][0-9]*[A-Z]*].
  11. Weis, Frederick L, Magna Charta Sureties 1215: The Barons Named in the Magna Charta and Some of Their Descendants. 4th Ed. Baltimore: Gen Pub Co, 1991. Information from this source tagged as [Ref: Weis MC #[0-9][0-9]*].

Sources for birth and parent Information
date:
minor in 1162/3 [Ref: Keats-Rohan DD p670]
minor in 1166 [Ref: Sanders Baronies p53],
parents:
[Ref: Burke Peerage p583, CP XI p91, Hedley Northumberland p225, Holloway WENTWORTH p22, Keats-Rohan DD p670, Keats-Rohan DD p671, Watney WALLOP #846, Weis AR7 #89],
father:
[Ref: Sanders Baronies p53]
Sources for death Information
date:
[Ref: Hedley Northumberland p225, Keats-Rohan DD p1131, Keats-Rohan DD p671, Sanders Baronies p149, Sanders Baronies p53, Sanders Baronies p56, Weis MC #116]
1183 before Mich [Ref: CP XI p91]
abt 1186 [Ref: Burke Peerage p583, Watney WALLOP #846]
Sources with Information about marriage to Roysia TRUSSEBUT
names:
[Ref: CP XI p91, Sanders Baronies p53(3)],
child:
[Ref: Burke Peerage p583, CP XI p91(m), CP XI p92, Duvall FrancesBaldwin p127, Hedley Northumberland p225, Holloway WENTWORTH p22, Keats-Rohan DD p1131, Keats-Rohan DD p671, Richardson RoyalAnc v4p487, Sanders Baronies p56, Watney WALLOP #846, Weis AR7 #89, Weis MC #116]
Research Notes:
of Helmsley, Yorkshire [Ref: Richardson RoyalAnc v4p487]

heir of his father [Ref: CP XI p91]

inherited Barony of Helmsley from father [Ref: Sanders Baronies p53]

abt 1162/3: succeeded his father, while still a minor [Ref: Keats-Rohan DD p670]

granted the Barony of Wark by Henry II; this barony had been held by Walter Espec, Barony of Helmsley, prior to c1153 [Ref: Sanders Baronies p149]

1166: held three fees de novo of William Fossard at Middleton-in-the-Wolds, Kiplingcotes, and Etton [Ref: Keats-Rohan DD p670]

1166: guardian answered for 7 7/24 knights' fees de veteri and for 1 de novo [Ref: Sanders Baronies p53(2)]

1168: scutage paid on 8 1/5 de veteri and 2 1/4 de novo, but later charges were on abt 6 knights' fees [Ref: Sanders Baronies p53(2)]



Pedigree of Everhard De ROS, Baron Of Helmsley
          /-----Peter De ROS
 /-----Robert De ROS, Baron Of Helmsley
|        |         /-----William ESPEC, Baron Of Old Wardon
|         \-----Adeline ESPEC
Everhard De ROS, Baron Of Helmsley
|         /-----Thebaud De VALOGNES
 \-----Sibyl De VALOGNES



Descendants of Everhard De ROS, Baron Of Helmsley
1. Everhard De ROS, Baron Of Helmsley m. Roysia TRUSSEBUT
m. Roysia TRUSSEBUT father: William TRUSSEBUT, Baron Of Hunsingore mother: Audrey De HARCOURT

2nd generation

2. Robert De ROS, Magna Charta Surety m. Isabel Of Scotland
m. Isabel Of Scotland father: William The Lion King Of Scots mother: Isabel AVERNAL
4. Joan De ROS m. Stephen De MEINILL
m. Stephen De MEINILL father: Robert De MEINILL

3rd generation

5. Sir William De ROS, Baron Of Helmsley m. Lucia FITZ PIERS
m. Lucia FITZ PIERS father: Piers FITZ HERBERT mother: Alice De WARKWORTH
6. Sir Robert De ROS, Baron Of Wark m.
7. Robert De MEINILL m. Emma MALEBISSE
m. Emma MALEBISSE father: John MALEBISSE mother: Matilda

4th generation

8. Sir Robert De ROS, Baron Of Helmsley m. Isabel D'ALBINI
m. Isabel D'ALBINI father: William D'ALBINI, Baron Of Belvoir mother: Isabel
10. Sir William De ROS m. Eustache FITZ HUGH
m. Eustache FITZ HUGH father: Ralph FITZ HUGH mother: Joan De La HAYE
14. Lucy De ROS m. William De KYME, Baron Of Sotby
m. William De KYME, Baron Of Sotby father: Philip De KYME, Baron Of Sotby mother: Agnes WALEY
15. Alicia De ROOS m1. Sir John The Red COMYN m2. Sir James De BYRON
m. Sir John The Red COMYN father: Richard COMYN
m. Sir James De BYRON father: Sir Richard De BYRON
16. Isabel De ROS m1. Roger De MERLAY, Baron Of Morpeth m2. Sir Adam De EVERINGHAM
m. Roger De MERLAY, Baron Of Morpeth father: Roger De MERLAY, Baron Of Morpeth mother: Ada MACDUFF
m. Sir Adam De EVERINGHAM father: Robert De EVERINGHAM mother: Isabel De BIRKIN
17. Ida De ROS m1. Roger III BERTRAM, Baron Of Mitford m2. Sir Robert De NEVILLE m3. John FITZMARMADUKE
m. Roger III BERTRAM, Baron Of Mitford father: Roger II BERTRAM, Baron Of Mitford mother: Agnes
m. Sir Robert De NEVILLE father: Geoffrey FITZ ROBERT De NEVILL mother: Joan
m. John FITZMARMADUKE father: Marmaduke FITZ GEOFFREY
18. William De ROS m. Christian BERTRAM
m. Christian BERTRAM father: Roger II BERTRAM, Baron Of Mitford mother: Agnes
19. Sir Robert De ROS, Baron Of Wark m. Margaret De BRUS
m. Margaret De BRUS father: Peter II De BRUS, Baron Of Skelton mother: Hawise De LANCASTER
20. Stephen De MEINILL m1. (Unk) De BRUS m2. Clemence
m. (Unk) De BRUS father: Peter I De BRUS, Baron Of Skelton mother: Joan De Chester
m. Clemence

5th generation

21. William De ROS, Lord Ros Of Helmsley m. Maud De VAUX
m. Maud De VAUX father: Sir John De VAUX mother: Joan De PELEVILE
22. Sir Robert De ROS m. Erneburge
m. Erneburge father: Simon CONSTABLE
23. John De ROS m.
26. Mary De ROS m. William De BREUSE, Lord Breuse
m. William De BREUSE, Lord Breuse father: John De BRAOSE, Baron Of Bramber mother: Margaret Of Wales
27. Joan De ROS m. Sir John LOVEL, Lord Lovel Of Titchmarsh
m. Sir John LOVEL, Lord Lovel Of Titchmarsh father: John LOVEL mother: Maud De SYDENHAM
28. Isabel De ROS m. Walter De FAUCOMBERGE, Lord Faucomberge
m. Walter De FAUCOMBERGE, Lord Faucomberge father: Sir Walter De FAUCOMBERGE, Lord Faucomberge mother: Agnes De BRUS
29. Lucia De ROS m. Sir Robert De PLUMPTON
m. Sir Robert De PLUMPTON father: Sir Robert De PLUMPTON mother: Isabel De WESTWICK
30. Sir William De ROS m. Isabel De STEETON
m. Isabel De STEETON father: Richard De STEETON
31. Alice De ROS m. Sir Geoffrey St QUINTIN
m. Sir Geoffrey St QUINTIN
32. Ivette De ROS m. Sir Geoffrey Le SCROPE
m. Sir Geoffrey Le SCROPE father: Sir William Le SCROPE mother: Constance De NEWSOM
35. Isabel De ROS m. Sir Marmaduke De THWENG, Lord Thweng
m. Sir Marmaduke De THWENG, Lord Thweng father: Sir Marmaduke De THWENG, Royal Knight Banneret mother: Lucy De BRUS
37. Philip De KYME, Lord Kyme m. Joan Le BIGOD
m. Joan Le BIGOD father: Sir Hugh De BIGOD mother: Joan De STUTEVILLE
38. John COMYN m. Maud
m. Maud
41. Mary De MERLAY m1. Walter De BOLEBEC m2. William De GREYSTOCK, Baron Of Greystoke
m. Walter De BOLEBEC father: Sir Hugh De BOLEBEC mother: Tiphaine De BAILLIOL
m. William De GREYSTOCK, Baron Of Greystoke father: Sir Thomas FITZWILLIAM De GREYSTOCK, Baron Of Greys mother: Christian De VIPONT
42. Isabel De MERLAY m1. Robert De EURE m2. Robert De SOMERVILLE
m. Robert De EURE father: John FITZ ROBERT, MC Surety mother: Ada De BALIOL
m. Robert De SOMERVILLE father: Sir John De SOMERVILLE
46. Joan De ROS m. Walter WETWANGE
m. Walter WETWANGE
48. William De ROS m. Elizabeth
m. Elizabeth
49. Sir Robert De ROS, Lord Ros Of Wark m. Laura
m. Laura
51. Nicholas De MEINILL, Lord Meinill m. Christine
m. Christine father: William De FURNEAUX
52. Joan De MEINILL m. Sir John De EVERINGHAM
m. Sir John De EVERINGHAM father: Robert De EVERINGHAM mother: Isabel De BIRKIN