88680706. William Marshall Earl of Pembroke
1http://homepages.rpi.edu/~holmes/Hobbies/Genealogy2/ps03/ps03_463.htm.
88680707. Isabel de Clare Countess de Strigoil
1http://homepages.rpi.edu/~holmes/Hobbies/Genealogy2/ps03/ps03_463.htm.
88682494. William Longespee
1The New England Historical and Genealogical Register, Vol. 160, page 106.
88682495. Idoine de Camville
1The New England Historical and Genealogical Register, Vol. 160, page 106.