Biography
Eberhard I. von der Mark-Arenberg, Herr zu Arenberg, Herr zu Lummen, Herr zu Neufchâteau, was born circa 1326 to Engelbert II. von der Mark (c1275-1328) and Mechtilde von Arenberg (-1328) and died 1378 of unspecified causes. He married Marie von Looz (c1330-1400) .
Children
| Name | Birth | Death | Joined with |
| Johann I. von der Mark-Arenberg (1364-bef1427) | |||
| Eberhard II. von der Mark-Arenberg (c1375-1440) | 1375 | 14 October 1440 | Marie de Bracquemont (-1415) Agnes de Walcourt (-1441) |
Footnotes (including sources)
| ‡ General |