Helyon II De Grandison 
Helyon II De was born about 1460. Helyon II De's father was Simon De Grandison and his mother was Catherine De Lorraine. His paternal grandfather was Guillaume De Grandison and his paternal grandmother is Jeanne De Vienne; his maternal grandparents were Erard Du Chastelet and Marguerite De Grancey. He was an only child. He died on October 7th, 1505.General Notes
SOURCES: "Ancestors/Descendants of Royal Lines" (Contributors: Manuel Abranches de Soveral, Reynaud de Paysac, H.R. Moser <Burke Peerage>, O.Guionneau, L.B. de Rouge, E. Polti, A.Terlinden <Genealogy of the existing British Peerage, 1842, and E. Lodge>) 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.~ 1305 d.>13 Jul 1374
- b.~ 1328 d.1381
- b.~ 1308
- b.~ 1371 d.28 Sep 1396
- b.~ 1263 d.1360
- b.~ 1330 d.01 Nov 1398
- b.~ 1295 d.< 1356
- b.~ 1393 d.1428
- b.~ 1310 d.1366
- b.~ 1337 d.<21 Jan 1401
- b.~ 1317 d.~ 1342
- b.~ 1370 d.20 Jul 1431
- b.< 1303
- d.~ 1397
- b.~ 1308
- b.< 1429 d.>24 Nov 1486
- b.~ 1395
- b.~ 1460 d.07 Oct 1505
- b.~ 1278 d.> 1333
- b.~ 1320
- b.~ 1295
- b.~ 1358 d.1429
- b.~ 1290 d.1346
- b.~ 1325
- b.~ 1298 d.1375
- b.~ 1397 d.1459
- b.~ 1375
- b.~ 1441 d.1492
- b.~ 1415 d.1466
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‌Helyon II De and Avoye De were married in a religious ceremony in 1483. They had a daughter named Benigne De.
