Isabeau De Saint Simon 
Isabeau De was born about 1425. Isabeau De's father was Gaucher De Saint Simon and her mother is Marie De Sarrebruck. Her paternal grandfather was Mathieu De Saint Simon and her paternal grandmother is Jeanne De Haverskerke-Wicke; her maternal grandparents were Ame De Sarrebruck and Marie De Chateauvillain. She has a sister named Marguerite De. She is the older of the two children. She had a half-sister named Marguerite De.General Notes
SOURCES: LDS FHL Ancestal File # (familysearch.org)
"Ancestors/Descendants of Royal Lines" (Contributors: Manuel Abranches de Soveral, Reynaud de Paysac, F.L. Jacquier <Genealogy of Lewis Carroll, Justin Swanstrom, The Royal Families of England Scotland & Wales by Burkes Peerage; Debrett's Peerage & Baronage; Table of descendants French Canadian Genealogical Society; Families of Monfort-sur-Risle & Bertrand de Bricquebec; The Dukes of Normandy, XXXXI, Paul Leportier, Claude Barret; Irish Catholic Encyclopedia>, H.R. Moser <Burke Peerage>, L. Orlandini, O.Guionneau, L.B. de Rouge, E. Polti, A.Terlinden <Genealogy of the existing British Peerage, 1842>, L. Gustavsson, C. Cheneaux, E. Lodge, S. Bontron <Brian Tompsett>, R. Dewkinandan, H. de la Villarmois, C. Donadello; Scevole de Livonniere, H. de la Villarmois, I. Flatmoen, G. Kepklian)... http://geneastar.org.
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Ancestor Pedigree Chart
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*There are earlier generations for the ancestor(s) indicated. See their page(s) for details (click name)
- b.~ 1310 d.1389
- b.~ 1335 d.< 1392
- b.< 1265 d.1334
- b.~ 1312
- b.~ 1280
- b.~ 1375 d.25 Oct 1415 in Battle of Azincourt
- b.~ 1348
- b.~ 1398 d.>05 Jan 1458
- d.25 Oct 1415 in Battle of Azincourt
- b.~ 1380
- b.~ 1285 d.03 May 1333
- b.~ 1320 d.< 1369
- b.~ 1290 d.1373
- b.~ 1355 d.28 Apr 1426
- b.~ 1328 d.< 1369
- b.~ 1425
- b.~ 1255 d.23 Jan 1341
- b.~ 1298 d.1344
- b.~ 1260 d.1329
- d.>28 Apr 1384
- b.~ 1278 d.> 1312
- b.~ 1315 d.>24 Mar 1358
- b.~ 1290 d.> 1314
- b.~ 1360 d.Jun 1414 in Arras--killed.
- d.<08 Mar 1397
- b.~ 1405
- b.~ 1325
- b.~ 1346 d.1419
- b.~ 1327
- b.~ 1365 d.> 1423
- b.~ 1348 d.~ 1423
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They have a son named Philippe D'.
