| Joan Plantagenet |
| Joan Plantagenet | |
| B: | 1188 |
| London, Greater London, England, United Kingdom | |
| D: | 2 Feb 1237 |
| Aberconway, Caernarvon, Wales, United Kingdom | |
| Prince of Wales Llywelyn Fawr Ap Iowerth |
| Prince of Wales Llywelyn Fawr Ap Iowerth | |
| B: | 1173 |
| Dolwyddelan, Nantconwy, Wales, United Kingdom | |
| D: | 11 Apr 1240 |
|
| Agatha Ferrers |
| Agatha Ferrers | |
| B: | 1168 |
| Charltey, Staffordshire, England, United Kingdom | |
| D: | Yes, date unknown |
| King of England John Plantagenet |
| King of England John Plantagenet | |
| B: | 24 Dec 1167 |
| Beaumont, Cumberland, England, United Kingdom | |
| D: | 18 Oct 1216 |
| Newark Castle, Newark, Nottingham, England, United Kingdom | |