William de Warenne of Surrey

William was killed in a tournament at Croydon as a young man and did not live to inherit the earldom of Surrey; his son John inherited it instead.

son of John de Warenne, Earl of Surrey, and Alex de Lusignan
married Joan de Vere Children:

• John de Warenne, Earl of Surrey
• Alice de Warenne married Edmund FitzAlan

http://fmg.ac/Projects/MedLands/ENGLISH%20NOBILITY%20MEDIEVAL.htm:

WILLIAM de Warenne (1256-murdered Croydon 15 Dec 1286). He was ambushed and slain after attending a tournament at Croydon[1152].

m ([Jun 1285]) JOAN de Vere, daughter of ROBERT de Vere Earl of Oxford & his wife Alice de Sanford (-23 Nov 1293 or before, bur Lewes Priory).

William de Warenne & his wife had two children:

i) JOHN de Warenne (30 Jun 1286-29 Jun 1347, bur Lewes St Pancras). He succeeded his grandfather in 1304 as Earl of Surrey. He unsuccessfully attempted to divorce his wife to marry his mistress Matilda de Nerford[1153]. The testament of "Johan Counte de Warenne de Surrey et de Strathorne Seigneur de Bromfeld et de Yal" is dated 24 Jun 1347, requests burial "en l´esgise Saint Pancratz de Lewes", makes bequests to "…Monsieur William de Warenne mon filz…ma fille sa compaigne…Edward de Warenne mon filz…Johanne de Basyngg ma fille…Katerine ma fille…Isabell ma fille Noneyn de Sempyngham…William de Warenne mon fil…Isabelle de Holand ma compaigne"[1154].

m (25 May 1306) JEANNE de Bar, daughter of HENRI III Comte de Bar & his wife Eleanor of England (-31 Aug 1361). The Chronicle of Lanercost names "filium…Edwardum et filiam quam Johannes de Warenna comes duxit in uxorem" as the children of "Alianora filia regis" and "Henrico comiti Barienti"[1155]. The Annales Londonienses record the marriage "VIII Kal Jun" in 1306 of "dominus Johannes de Warenne" and "filiam comitis de Bar et Elianoræ filiæ…regis Edwardi"[1156]. Froissart records that "la contesse de Garanes…estoit suer au conte de Bar"[1157].
Mistress (1): MATILDA de Nerford, wife of S. de Diriba, daughter of ---.
Mistress (2): ISABEL de Holand, daughter of ---. The testament of "Johan Counte de Warenne de Surrey et de Strathorne Seigneur de Bromfeld et de Yal" is dated 24 Jun 1347 and makes bequests to "…Isabelle de Holand ma compaigne"[1158].

Earl John had six illegitimate children by Mistress (1):
(a) JOHN Warenne (-after Jun 1347). The testament of "Johan Counte de Warenne de Surrey et de Strathorne Seigneur de Bromfeld et de Yal" is dated 24 Jun 1347 and makes bequests to "…Monsieur William de Warenne mon filz…ma fille sa compaigne…Edward de Warenne mon filz…Johanne de Basyngg ma fille…Katerine ma fille…Isabell ma fille Noneyn de Sempyngham…William de Warenne mon fil…Isabelle de Holand ma compaigne"[1159].
(b) THOMAS Warenne (-before 24 Jun 1347). It is assumed that Thomas predeceased his father in whose testament he is not named.
(c) EDWARD Warenne (-after Jun 1347). The testament of "Johan Counte de Warenne de Surrey et de Strathorne Seigneur de Bromfeld et de Yal" is dated 24 Jun 1347 and makes bequests to "…Monsieur William de Warenne mon filz…ma fille sa compaigne…Edward de Warenne mon filz…Johanne de Basyngg ma fille…Katerine ma fille…Isabell ma fille Noneyn de Sempyngham…William de Warenne mon fil…Isabelle de Holand ma compaigne"[1160]. Founder of the WARENN family of Poynton.
(d) JOAN Warenne (-after Jun 1347). The testament of "Johan Counte de Warenne de Surrey et de Strathorne Seigneur de Bromfeld et de Yal" is dated 24 Jun 1347 and makes bequests to "…Monsieur William de Warenne mon filz…ma fille sa compaigne…Edward de Warenne mon filz…Johanne de Basyngg ma fille…Katerine ma fille…Isabell ma fille Noneyn de Sempyngham…William de Warenne mon fil…Isabelle de Holand ma compaigne"[1161]. m (before 24 Jun 1347) --- de Basing, son of ---.
(e) CATHERINE Warenne . The testament of "Johan Counte de Warenne de Surrey et de Strathorne Seigneur de Bromfeld et de Yal" is dated 24 Jun 1347 and makes bequests to "…Monsieur William de Warenne mon filz…ma fille sa compaigne…Edward de Warenne mon filz…Johanne de Basyngg ma fille…Katerine ma fille…Isabell ma fille Noneyn de Sempyngham…William de Warenne mon fil…Isabelle de Holand ma compaigne"[1162]. m (after 24 Jun 1347) ROBERT Heveningham .
(f) ISABEL Warenne . The testament of "Johan Counte de Warenne de Surrey et de Strathorne Seigneur de Bromfeld et de Yal" is dated 24 Jun 1347 and makes bequests to "…Monsieur William de Warenne mon filz…ma fille sa compaigne…Edward de Warenne mon filz…Johanne de Basyngg ma fille…Katerine ma fille…Isabell ma fille Noneyn de Sempyngham…William de Warenne mon fil…Isabelle de Holand ma compaigne"[1163]. Nun at Sempingham.

ii) ALICE de Warenne ([May/Jul 1287]-before 23 May 1338). It is assumed that she was born posthumously as there was insufficient time for her birth between her parents' marriage and the birth of her brother, but no proof has been found that this is correct. m (1305) EDMUND Fitzalan Earl of Arundel, son of RICHARD FitzAlan Earl of Arundel & his wife Alasia di Saluzzo (1 May 1285-executed Hereford 17 Nov 1326).

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Links:

http://edwardthesecond.blogspot.co.il/2007/04/amatory-adventures-of...

http://www.findagrave.com/cgi-bin/fg.cgi?page=gr&GRid=45182651

http://histfam.familysearch.org/getperson.php?personID=I5751&tree=E...

http://histfam.familysearch.org/getperson.php?personID=I2386&tree=N...

http://homepages.rootsweb.ancestry.com/~pmcbride/rfc/gw79.htm#I11713

http://mymedievalgenealogy.blogspot.co.il/2009/09/william-de-warenn...

http://www.warrenfamilyhistory.com/Docs/Our%20Warrens%20in%20Englan...

http://www.thepeerage.com/p357.htm#i3562

https://www.wikitree.com/wiki/Warenne-14

https://ancestors.familysearch.org/en/LT6K-DY9/william-de-warenne-v...

https://historytheinterestingbits.com/tag/lewes-priory/

https://historytheinterestingbits.com/2016/10/09/william-de-warenne...

https://historytheinterestingbits.com/2021/06/30/the-early-years-of...

https://en.wikipedia.org/wiki/William_de_Warenne_(1256–1286)

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Citations / Sources:

[S6] G.E. Cokayne; with Vicary Gibbs, H.A. Doubleday, Geoffrey H. White, Duncan Warrand and Lord Howard de Walden, editors, The Complete Peerage of England, Scotland, Ireland, Great Britain and the United Kingdom, Extant, Extinct or Dormant, new ed., 13 volumes in 14 (1910-1959; reprint in 6 volumes, Gloucester, U.K.: Alan Sutton Publishing, 2000), volume I, page 242. Hereinafter cited as The Complete Peerage.

[S20] Magna Carta Ancestry: A study in Colonial and Medieval Families, Richardson, Douglas, (Kimball G. Everingham, editor. 2nd edition, 2011), vol. 4 p. 286.

[S25] #798 The Wallop Family and Their Ancestry, Watney, Vernon James, (4 volumes. Oxford: John Johnson, 1928), FHL book Q 929.242 W159w; FHL microfilm 1696491 it., vol. 2 p. 319, vol. 3 p. 794, 816.

[S53] #3945 The Visitations of Yorkshire in the Years 1563 and 1564, Made by William Flower, Esquire, Norroy King of Arms (1881), Flower, William, (Publications of the Harleian Society: Visitations, volume 16. London: [Harleian Society], 1881), FHL book 942 B4h volume 16; FHL microfilm 162,050 ., vol. 16 p. 337.

[S55] Magna Carta Ancestry, Richardson, Douglas, (Baltimore, Maryland : Genealogical Pub. Co., c2005), 942 D5rdm., p. 291.

[S58] English Ancestry of Anne Marbury Hutchinson, Colket, Meredith B., Jr., (The Magee Press, Philadelphia, 1986.), 929.242 H971c., p. 36.

[S59] #765 The Hundred of Launditch and Deanery of Brisley in the County of Norfolk: Evidences and Topographical Notes from Public Records, Heralds Visitations, Wills, Court Rolls (1877-1879), Carthew, George Alfred, (3 volumes. Norwich: [s.n.], 1877-79 (Norwich: Miller and Leavins)), FHL book 942.61 H2c; FHL microfilm 990,425 item 1., vol. 1 p. 36.

[S79] Douglas Richardson, Plantagenet Ancestry (Baltimore, Maryland, U.S.A.: Genealogical Publishing Company, 2004), page 749. Hereinafter cited as Plantagenet Ancestry.

[S163] #687 The Dormant and Extinct Baronage of England, or, an Historical and Genealogical Account of the Lives, Public Employments, and Most Memorable Actions of the English Nobility Who Have Flourished from the Norman Conquest to the Year 1806 (1807-1837), Banks, Thomas Christopher, (4 volumes. London: J. White, 1807-1837), FHL book 942 D22ban., vol. 1 pedigree chart facing p. 2.

WILLIAM DE WARENNE, son and heir apparent.

In 1276 he agreed that his father might at his death dispose of the Earl's lands in Norfolk. In 1285 he was knighted at Winchester; and in the same year obtained quittance from the common summons in Essex, Bucks and Norfolk. He married, probably in June 1285, Joan, daughter of Robert (DE VERE), 5th EARL OF OXFORD, by Alice, daughter and heir of Gilbert DE SANFORD. He died v.p. 15 December 1286, having attended a tournament at Croydon, where he is said to have been ambushed and cruelly slain by his rivals. His widow died on or before 23 November 1293, and was buried before the high altar at Lewes. [Complete Peerage XII/1:507, (transcribed by Dave Utzinger)]

William de Warenne, Knight, son and heir of John de Warrenne and Alice de Lusignan, was born 15 Jan 1255/6 at Warren, Sussex, England. He married Joan de Vere about 10 June 1285. She is the daughter of Robert de Vere, Knight, and Alice de Sanford. They had one son, John, and one daughter, Alice. "Sir William was knighted at Winchester in 1285." He was ambushed and slain by his rivals after a tournament at Croyden 15 Dec 1286.
Name

Note: William de Warenne, Knight, did not ever inherit the title of Earl of Surrey, because he died before his father. His father was the 7th Earl of Surrey and his son was the 8th Earl of Surrey.
Father: John DE WARENNE, 7th Earl of Surrey, b. abt. 1231, Warren, Sussex, England. d. abt. 1304 Mother: Alice (Lusignan) DE WARENNE, b. abt. 1224, of Arundel, Sussex, England. d. aft. 9 Feb 1256