Nielsen Hayden genealogy
Ancestors of Maud of Brittany
┌── Geoffroi I of Brittany (Abt 980 - 20 Nov 1008)(m. Between 996 and 999) =>
┌── Eudon of Brittany (999 - 7 Jan 1079)
│ └── Hawise of Normandy ( - 21 Feb 1034)(m. Between 996 and 999) =>
│
┌── Stephen of Brittany ( - 21 Apr 1135 bur.St. Mary's, York, Yorkshire, England)
│ └── Orguen ( - Aft 1056)
│
└── Hawise ( - Aft 1135)