Nielsen Hayden genealogy
Family: Gilbert de Clare / Joan of Acre (F6425)
m. May 1290-
Male
Gilbert de Clare
Birth 2 Sep 1243 Christchurch, Hampshire, England 
Death 7 Dec 1295 Monmouth Castle, Monmouthshire, Wales Burial Tewkesbury Abbey, Tewkesbury, Gloucestershire, England Marriage May 1290 [1, 2] Westminster Abbey, Westminster, Middlesex, England [1, 2] Other Spouse Alice de Lusignan | F54 Marriage 1253 Father Richard de Clare | F2421 Group Sheet Mother Maud de Lacy | F2421 Group Sheet
Female
Joan of Acre
Birth 1272 Acre, Palestine Death 23 Apr 1307 Clare, Suffolk, England Burial Austin Friars, Clare, Suffolk, England Other Spouse Ralph de Monthermer | F66 Marriage Abt 1296 Father Edward I, King of England | F1704 Group Sheet Mother Eleanor of Castile, Queen Consort of England | F1704 Group Sheet
Female
+ Margaret de Clare
Birth Abt 1292 Caerphilly, Glamorgan, Wales Death 9 Apr 1342 Burial Queenhithe, London, England Spouse Piers de Gaveston | F2201 Marriage 1 Nov 1307 Berkhamsted, Hertfordshire, England Spouse Hugh de Audley | F1205 Marriage 28 Apr 1317 Windsor, Berkshire, England
Female
+ Eleanor de Clare
Birth Oct 1292 Caerphilly, Glamorgan, Wales Death 30 Jun 1337 Burial Spouse Hugh le Despenser | F8096 Marriage Aft 14 Jun 1306 Westminster, Middlesex, England Spouse William la Zouche | F2076 Marriage Bef 26 Jan 1329
Female
+ Elizabeth de Clare
Birth Nov 1295 Caerphilly, Glamorgan, Wales Death 4 Nov 1360 Burial Spouse John de Burgh | F11250 Marriage 30 Sep 1308 Waltham Abbey, Essex, England Spouse Thebaud de Verdun | F12033 Marriage 4 Feb 1316 near Bristol, Gloucestershire, England Spouse Roger Damory | F11718 Marriage Bef 3 May 1317
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Notes - Royal Ancestry gives the date of their marriage as 23 April 1290; Complete Peerage as 30 April; the ODNB as "early May."
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