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Female Agatha de Ferrers Click to view Agatha de Ferrers in the family tree

Agatha de was born in 1168 in Ferrers, Derbyshire, England.  Agatha de's father was William I de Ferrers , 3rd Earl of Derby and her mother was Sybil de Braose.  Her paternal grandparents were Robert de Ferrers , 2nd Earl of Derby and Margaret Peverel; her maternal grandparents were William II de Braose , 1st Baron of Abergavenny and Bertha de Gloucester , Heiress of Brecon. She had a brother and two sisters, named William II de, Millicent de and Pernell (Petronella) de.  She was the oldest of the four children.

Agatha de's family with John I "Lackland" Plantagenet King of England

‚ÄĆAgatha de and John I "Lackland" Plantagenet King of were married in a religious ceremony in 1188 in No Marriage.  They had a daughter named Joan.

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