| | Donald Earl Of MAR 1243–1297 Elen (Helen) Verch LLEWELYN 1206–1253 | | | | William, Earl Of MAR 1222–1281 Elizabeth COMYN 1223–1267 | | | | Duncan, Earl Of MAR 1153–1242 |
| | | Margaret Countess Of BUCHAN 1185–1244 |
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| | | Llewelyn Ap IORWERTH 1173–1240 Joan Princess Of ENGLAND 1188–1237 | | | | Iorwerth Drwyndwn Ap OWAIN 1145–1184 Margred Verch MADOG 1129– |
| | | John Lackland King Of ENGLAND 1166–1216 |
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