Cyfnod
-1530
1
-1557
1
-1558
1
-1586?
1
-1636
1
-1648
1
-1753
1
-1848
1
-250
2
-337
2
-373
1
-407
1
-461
3
-approximately 105
1
-approximately 336
1
-approximately 390
1
1000-1699
1
1007-1031
2
1010-1106
1
1033-1109
1
1090 or 1091-1153
2
1127-1212
1
1140-1205?
1
1160-1213
1
1170-1221
1
1174-1243
2
1182-1226
6
1195-1231
1
11th century
1
1202?-1272
1
1207-1231
1
1225?-1274
71
1268-1314
1
1286-1323
2
12th century
2
1309-1378
1
1370?-1419
1
1375-1443
1
1380-1471
1
1389-1459
1
1431-1503
1
1439-1501
1
1444-1525
1
1452-1498
1
1457-1482
1
1458-1484
2
1468-1549
2
1475-1521
2
1476-1559
2
1477-1547
1
rhagor ...