Nielsen Hayden genealogy
Ancestors of Hervey fitz Hervey
┌── 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) =>
│
┌── Bardolf
│
┌── Akaris fitz Bardolf (of Ravensworth, Yorkshire, England - ??)
┌── Hervey fitz Akaris (of Ravensworth, Yorkshire, England - Between 1182 and 1184)
Hervey fitz Hervey (of Ravensworth, Yorkshire, England - ??)