Nielsen Hayden genealogy
Ancestors of Margaret de Keynes
┌── Lucas de Keynes (of Milton Keynes, Buckinghamshire, England - Bef 4 Oct 1259) =>
┌── John de Keynes (1232 of Milton Keynes, Buckinghamshire, England - Bef 10 Jan 1283)
┌── Robert de Keynes (of Milton Keynes, Buckinghamshire, England - ??)
│ └── Maud ( - Aft 1283)
│