King John I Plantagenet ("Lackland") England
John I Plantagenet, known as "Lackland", was born on December 24th, 1167 in Lings Manor House, Oxford, Oxfordshire, England.¹   He died at the age of 48 on October 19th, 1216 in Newark, Nottinghamshire, England.  He was buried in 1216 in Cathedral, Worcester, Worcestershire, England.¹ 

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

 Princess Joan Plantagenet England
Joan Plantagenet was born on July 22nd, 1190 in Newark Castle, Nottinghamshire, England.  She died at the age of 45 on March 30th, 1236 in Court of Aber.  She was buried in Llan-Faes, Dindaethwy, Anglesey, Wales.²