Robert I D' Arenberg 
Robert I D' was born about 1465. Robert I D''s father was Eberhard De La Mark and his mother was Marguerite De Bouchout. His paternal grandparents were Jean De La Mark and Anna Von Virneburg. He had a sister named Marguerite De La. He died on July 15th, 1541.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.~ 1278 d.1328
- b.~ 1318 d.1387
- b.~ 1286
- b.~ 1374 d.1440
- b.< 1311 d.<12 Oct 1346
- b.~ 1345 d.25 Sep 1410
- d.> 1377
- b.~ 1410 d.1470
- b.~ 1380 d.1415
- b.~ 1435 d.1496
- b.~ 1277 d.< 1355
- b.< 1339 d.< 1391
- d.< 1339
- b.~ 1375 d.1444
- b.~ 1325 d.1390
- b.~ 1360 d.< 1407
- b.~ 1338 d.> 1399
- b.< 1420 d.1480
- b.~ 1300 d.07 Oct 1347
- b.1340 d.15 Mar 1410
- d.> 1346
- b.~ 1376 d.< 1420
- b.< 1329 d.1373
- b.~ 1355 d.01 Sep 1409
- b.~ 1335 d.28 Sep 1380
- b.~ 1465 d.15 Jul 1541
- b.~ 1440 d.~ 1476
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‌Robert I D' and Mathilde De were married in a religious ceremony on July 14th, 1495. They had a son named Robert II D'.