Biography
Marie von Looz was born circa 1330 to Ludwig von Looz (c1300-1345) and Yolande van Oudenaerde (c1319-1377) and died 1400 of unspecified causes. She married Eberhard I. von der Mark-Arenberg (c1326-1378) .
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 |