King of England John (Lackland) Plantagenet of England
John, known as Lackland, was born on December 24th, 1166 in Kings Manor House, Oxford, Oxfordshire, England.²   He died at the age of 49 on October 19th, 1216 in Newark Castle, Nottinghamshire, England.  He was buried in Cathedral, Worcester, England.^1 2 

 Agatha de Ferrers
Agatha was born in 1168 in Charltey, England.

 Joan Plantagenet
Joan was born on July 22nd, 1190 in Neward Castle, Nottinghamshire, England.³   She died at the age of 45 on March 30th, 1236 in Court of Aber, Aberconwy, Arllechwedd Isaf, Caernarvonshire, Wales.³