*Agatha Ferrers
born about 1170? Charltey, Staffordshire, England

father:
*William (Robert) de Ferrers, 4th Earl of Derby
born 1144 Derby, Derbyshire, England
died after 31 December 1189 Seige of Acre, Jerusalem, Palestine
buried before 21 October 1190 Normandy, France

mother:
*Sibilla Braose
born about 1157 Bramber, Sussex, England
died after 05 February 1227/28 England
married about 1173/74? Sussex, England

siblings:
*William de Ferrers born about 1175? Ferrers, Derbyshire, England died 22 September 1247
*Millicent de Ferrers born about 1170? Derby, Derbyshire, England
*Petronilla de Ferrers born before 1189 Derbyshire, England

spouse:
*John "Lackland" King of England
born 24 December 1166 Kings Manor House, Oxford, Oxfordshire, England
died 19 October 1216 Newark, Nottinghamshire, England
buried Cathedral, Worcester, Worcestershire, England

children:
*Joan Princess of England
born about 1188 London, Middlesex, England
died February 1237 Aberconwy, Arllechwedd Isaf, Caernarvonshire,Wales
buried Llan-faes, Dindaethwy, Anglesey, Wales

biographical and/or anecdotal:

notes or source:
LDS