Nielsen Hayden genealogy
Descendants of Joan de Rothwell
Father: Richard de Rothwell
Joan de Rothwell
John de Morteyn (of Merston, Bedfordshire, England - 1346)
   ├─ Lucy de Morteyn ( - Aft 8 Mar 1361)
   │ John Giffard (1301 of Twyford, Buckinghamshire, England - 25 Jan 1369)
   │    └─ Thomas Giffard (Abt 1345 of Twyford, Buckinghamshire, England - 25 Sep 1394)
   │     Elizabeth de Missenden ( - Abt 1367)(m. Abt 1361)
   │        └─ Roger Giffard (Abt 1367 of Twyford, Buckinghamshire, England - 14 Apr 1409) =>
   │         + Elizabeth ( - Bef 1407)(m. Abt 1399)
   │         + Isabel Stretley (of Stretley, Buckinghamshire, England - ??)(m. Bef 1408)
   └─ Joan Morteyn ( - Bef 1324)
    John Chamberlain (Between 1290 and 1291 of Gatesden, Hertfordshire, England - ??)(m. Bef 1314)
       └─ Richard Chamberlain (of Coates in Titchmarsh, Northamptonshire, England -
        Between 14 Sep 1391 and 2 Nov 1391)
        Between 14 Sep 1391 and 2 Nov 1391)
        Joan ( - 20 Sep 1409)
           ├─ Richard Chamberlain (of Petsoe, Buckinghamshire, England - 24 Aug 1396) =>
           │ + Margaret Lovaine (Abt 1372 - 18 Apr 1408)(m. Bef 1379)
            + Richard Griffin ( - Bef 1411)