Nielsen Hayden genealogy
Ancestors of Robert d'Avranches
┌── William d'Avranches ( - Abt 1087)
│ ┌── Gilbert fitz Godfrey (Abt 1010 - 1040 Eschafour, Eu, Seine-Inferieure, Normandy, France) =>
│ ┌── Baldwin fitz Gilbert ( - 1090)
└── (Unknown) fitz Baldwin (of Dolton, Devon, England - ??)
└── Albreda