Nielsen Hayden genealogy
Ancestors of William Fitz Alan
Abt 1154 - 1210 (~ 56 years) ┌── Alan
┌── Flaald of Dol (of Dol-de-Bretagne, Brittany, France - ??)
┌── Alan fitz Flaald ( - Aft 1114)
┌── William fitz Alan (of Oswestry, Shropshire, England - 1160 bur.Shrewsbury Abbey, Shropshire, England)
│ │ ┌── Ernulf de Hesdin (of Keevil, Wiltshire, England - Abt 1091)
│ └── Aveline de Hesdin ( - Aft 1148)
│ └── Emmeline
│
William Fitz Alan (Abt 1154 of Oswestry, Shropshire, England - 1210)
│
│ ┌── Robert Fitz Picot de Say (of Sai, Orne, Normandy, France - 1098)
│ ┌── Henry de Say (of Clun, Shropshire, England - Aft 1130)
│ ┌── Elias de Say (of Clun, Shropshire, England - 1165)
└── Isabel de Say (Abt 1132 of Clun, Shropshire, England - ??)