Robert II Capet-Dreux de Beu, Lord of Beu, was born 1265 to Robert I de Châteaudun (1217-1264) and Isabelle la Chambellane de Villebéon (c1243-1288) and died 1306 of unspecified causes. He married Yolande de Vendôme (1270-1304) 1286 JL . He married Marguerite de Beaumont-Gâtinais 1306 JL .
Children
| Name | Birth | Death | Joined with |
| Robert III de Dreux (1288-1351) | |||
| Jean I de Dreux (1290-1347) | 1290 | 1347 | Marguerite de La Roche (c1300-c1347) |
| Marie de Dreux (1293-c1340) | 1293 | 1340 | Barthélémy I Savary de Montbazon (c1285-c1348) |
Footnotes (including sources)
| ‡ General |