..1 King Henry I of England (1068 - 1135)
.. + Adeliza de Louvaine (ca. 1103 - 1151)
....2 Sir Robert de Caen (ca. 1090 - 1147)
.... + Maud FitzHaimo (ca. 1090 - 1157)
......3 Sir William FitzRobert ( - 1183)
...... + Hawise de Beaumont (ca. 1130 - 1197)
........4 Mabel (after 1127 - 1183)
........ + Gruffudd ap Ifor Bach ( - 1211)
..........5 Hywel Felyn ap Gruffudd
.......... + Sara le Sore
............6 Madog ap Hywel Felyn
............ + Iwerydd ferch Lewys ap Rhys
..............7 Joan ferch Madog
.............. + Dafydd ap Owain Fychan
................8 Goleuddydd ferch Dafydd
................ + Rhys Llywd
..................9 Gwilym ap Rhys Llywd
.................. + Margred ferch John ap Jenkin
....................10 Gwenllian ferch Gwilym
.................... + Jenkin Gunter
......................11 Margred Gunter
...................... + Roger ap John
........................12 John ap Roger
........................ + Mawd Aubrey
..........................13 Alice ferch John
.......................... + Owain ap Jenkin ( - after 1565)
............................14 Gruffudd Bowen ( - after 1566)
............................ + Anne Berry
..............................15 Philip Bowen
.............................. + Elsbeth Vaughan
................................16 Francis Bowen
................................ + Ellen Frankleyn
..................................17 Lt. Griffith Bowen (ca. 1600 - ca. 1675)
.................................. + Margaret Fleming
....................................18 Henry Bowen
.................................... + Elizabeth Johnson
......................................19 John Bowen
...................................... + Hannah Brewer
........................................20 Abigail Bowen
........................................ + Caleb Kendrick
..........................................21 Benjamin Kendrick
.......................................... + Sarah Harris
............................................22 Anna Kendrick
............................................ + Benjamin Pierce Jr. (1757 - 1839)
..............................................23 Pres. Franklin Pierce (1804 - 1869)