177364988. William I Longespee
1The New England Historical and Genealogical Register, Vol. 160, page 106.
177364989. Ela of Salisbury
1The New England Historical and Genealogical Register, Vol. 160, page 106.
177469508. William IX the Troubador, Duke of Aquitaine
1Book, Alison Weir, "Eleanor of Aquitaine", 1999.