Nielsen Hayden genealogy
Ancestors of Johane de Grey
┌── Robert de Grey ( - Between 25 Sep 1240 and 12 Jun 1245)
│ └── Hawise de Grey =>
│
┌── Walter de Grey (of Rotherfield, Oxfordshire, England - 1267)
│ └── Amice
│
┌── Robert de Grey (of Rotherfield, Oxfordshire, England - Bef 27 May 1295)
│ │
│ │ ┌── William de Duston (of Duston, Northamptonshire, England - Sep 1218) =>
│ │ ┌── William de Duston (of Duston, Northamptonshire, England - Bef 31 Aug 1231)
│ │ │ └── Joan de Noel ( - Bef 1212)
│ │ │
│ └── Isabel de Duston ( - Between 1304 and 1305)
│ └── Mary ( - Aft 1235)
│
┌── Thomas de Grey ( - Bef 27 May 1295)
│ │
│ │ ┌── Alan de Valoines (of Shabbington, Buckinghamshire, England - ??)
│ │ ┌── Robert de Valoines (of Shabbington, Buckinghamshire, England - Bef 1234)
│ │ │ └── Helen of Alveston =>
│ │ │
│ │ ┌── Thomas de Valoines (of Shabbington, Buckinghamshire, England - bur.Abt 1275)
│ └── Joan de Valoines ( - Bef 12 Nov 1312)
│ └── Joan ( - Aft 1302)
│
└── Maud