Nielsen Hayden genealogy
Ancestors of William de Grey
┌── Henry de Grey (of Grays Thurrock, Essex, England - Bef 16 Jul 1219 Codnor, Basford, Derbyshire, England)
William de Grey (of Sandiacre, Derbyshire, England - ??)
│ ┌── Hugh Bardolf (Abt 1120 of Waddington, Lincolnshire, England - Abt 1176)
│ ┌── (Unknown) Bardolf
│ │ │ ┌── Robert de Condet (of Thorngate Castle, Lincoln, Lincolnshire, England - Abt 1141)
│ │ └── Isabel de Condet (Aft 1136 - Aft 1165)
│ │ │ ┌── Ranulf le Meschin ( - Abt 1129 bur.Abbey of St. Werburg, Chester, Cheshire,
│ │ │ │ England)(m. Abt 1098) =>
│ │ │ │ England)(m. Abt 1098) =>
│ │ └── Alice of Chester ( - Aft 1148)
│ │ └── Lucy of Bolingbroke (of Spalding, Lincolnshire, England - Abt 1138)(m. Abt 1098)
│ │
└── Isolde Bardolf ( - Bef 18 Jun 1246)