Gautier I, de Vexin was born 919 in Vexin, Normandy, France.
He had the following children:
M i Gautier II, "The White" de Vexin was born 944 and died 1027.
He had the following children:
F i Mary de Gatesbury was born about 1429.
Roger de Montgomery, First Earl of Shrewsbury [Parents] died 27 Jul 1094 in Shrewsbury and was buried in Shrewsbury Abbey.
He had the following children:
M i Robert FitzHamon, Lord of Glamorgan.
William ap Thomas Herbert [Parents] was born about 1401 in Ragland Castle, Monmouthshire, England. He died 1446. William ap Thomas Herbert married Gladys Gam.
Gladys Gam [Parents] was born about 1405 in Bredwardine, Herefordshire, England. She died 1454. Gladys Gam married William ap Thomas Herbert.
They had the following children:
F i Elizabeth Herbert was born about 1427.
William X The Toulousan of Aquitaine, Duke of Aquitaine was born 1099 in Toulouse, France. He died 9 Apr 1137 in Saint Jacques-de-Compostelle, Spain.
[Notes]
He had the following children:
F i Eleanor of Aquitaine, Duchess of Aquitaine was born about 1122 and died 1 Apr 1204.
He had the following children:
F i Joan Benning was born 1517.
Unknown Damon was born about 1564 in Hingham Parish, Norfolk, England.
He had the following children:
F i Dorothy Damon was born 1590 and died 10 Nov 1629.
Geoffrey of Gastinois Ferole, Count of Gastinois married Ermangarde D' Anjou.
Ermangarde D' Anjou was born about 952 in Anjou, France. She died 27 Jun 992. Ermangarde D' Anjou married Geoffrey of Gastinois Ferole, Count of Gastinois.
Other marriages:Conan I, Duke of Bretagne,
They had the following children:
M i Fulk IV The Rude of Anjou, Count of Anjou was born 14 Apr 1106.
John of Gaunt Plantagenet, Duke of Lancaster [Parents] was born Mar 1340 in St Bavon's Abbey, Ghent, Flanders. He died 3 Feb 1399 in Leicester Castle and was buried in St.Paul's Cathedral, London, England. John of Gaunt Plantagenet, Duke of Lancaster married Catherine Swynford Roet.
[Notes]
Catherine Swynford Roet [Parents] was born 1350. She died 10 May 1403 in Lincoln. Catherine Swynford Roet married John of Gaunt Plantagenet, Duke of Lancaster.
[Notes]
They had the following children:
M i Henry de Beaufort, Bishop of Lincoln, Bishop of Winchester, Cardinal of St. Eusebius was born about 1375 and died 11 Apr 1447.
Seisyll ap Ednywain [Parents] was born about 938 in Wales. He married Prawst Verch Elise.
Prawst Verch Elise [Parents] was born about 940 in Gwenydd, Wales. She married Seisyll ap Ednywain.
They had the following children:
M i Llewelyn ap Seisyllt was born about 980 and died 1021/1023.