..1 King John of England (1167 - 1216)
.. + Isabelle de Angouleme (1189 - 1246)
....2 Alainor Plantagenet (1215 - 1275)
.... + Sir Simon de Montfort (about 1208 - 1265)
......3 Eleanor de Montfort (1252 - 1282)
...... + Llewellyn ap Gruffudd ( - 1282)
........4 Catharine verch Llewellyn (about 1280 - )
........ + Philip ap Ivor
..........5 Eleanor ferch Philip ap Ifor
.......... + Sir Thomas ap Llewellyn ( - before 1343)
............6 Elen verch Thomas
............ + Gruffudd Fychan II ap Gruffydd
..............7 Tudor ap Gruffudd Fychan (before 1380 - 1405)
.............. + Maud verch Ienaf
................8 Lowri verch Tudor
................ + Gruffyd ap Einion
..................9 Elissau ap Gruffyd
.................. + Margaret verch Jenkyn
....................10 David Lloyd
.................... + Gwenhyffar Lloyd
......................11 John Wynn
...................... + Agnes Lloyd
........................12 Rev. David Yale ( - before 1626)
........................ + Frances Lloyd
..........................13 Thomas Yale ( - 1619)
.......................... + Ann Lloyd (about 1612 - 1659)
............................14 David Yale
..............................15 Elihu Yale
.. + <No name>
....2 Joan (before 1200 - 1236)
.... + Prince Llewelyn ap Iorwerth (about 1164 - 1240)
......3 David ap Llewellyn ( - 1246)
...... + Isabel de Braiose
........4 Annes ferch Dafydd
........ + Elise ap Iorwerth ab Owain Brogyntyn
..........5 Madog ap Elise
............6 Efa ferch Madog
............ + Gruffudd ap Llywelyn ap Cynwrig
..............7 Einion ap Gruffudd
.............. + Tangwystl ferch Rhydderch ap Ieuan Llwyd
................8 Gruffyd ap Einion
................ + Lowri verch Tudor
..................9 Elissau ap Gruffyd
.................. + Margaret verch Jenkyn
....................10 David Lloyd
.................... + Gwenhyffar Lloyd
......................11 John Wynn
...................... + Agnes Lloyd
........................12 Rev. David Yale ( - before 1626)
........................ + Frances Lloyd
..........................13 Thomas Yale ( - 1619)
.......................... + Ann Lloyd (about 1612 - 1659)
............................14 David Yale
..............................15 Elihu Yale