| Robert I d'Artois | f 1216 | d 1250 | |
| & Mathilda van Brabant | f 1224 | d 1288 | |
| Blanche d'Artois | f ~1248 | d 1302 | |
| & Edmund of England | f 1245 | d 1296 | |
| Thomas of Lancaster | f ~1278 | d 1322 | |
| Henry of Lancaster | f ~1281 | d 1345 | |
| & Maud Chaworth | |||
| Henry of Grosmont | f ~1300 | d ~1360 | |
| Blanche of Lancaster | f ~1305 | d 1380 | |
| Matilda of Lancaster | >> | f ~1310 | d 1377 |
| Joan of Lancaster | f ~1312 | d 1345 | |
| Isabel of Lancaster | f ~1317 | d >1347 | |
| Eleanor of Lancaster | >> | f ~1318 | d ~1371 |
| Mary of Lancaster | f ~1320 | d 1362 | |
| John of Lancaster | |||
| Robert II d'Artois | f 1250 | d 1302 | |
| & Amicie de Courtenay | f 1250 | d 1275 | |
| Mahaut d'Artois | f 1268 | d 1329 | |
| Philippe d'Artois | f 1269 | d 1298 | |
| & Blanche de Bretagne | f 1270 | d 1327 | |
| Marguerite d'Artois | f 1285 | d 1311 | |
| Robert III d'Artois | >> | f 1287 | d 1342 |
| Isabelle d'Artois | d 1344 | ||
| Jeanne d'Artois | f 1289 | d >1349 | |
| Marie d'Artois | >> | f 1291 | d 1365 |
| Catherine d'Artois | f 1296(?) | d 1368 | |
| Robert d'Artois | f 1271 | d 1272 |
© 2019 Christer Sundin
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