Individual Details
Agatha De Ferrers
( - )
It is known that Agatha was a mistress of John, but it is only supposition that she is the mother of his child.
Families
| Spouse | John Plantagenet "Lackland" King Of England I. (1166 - 1216) |
| Child | Joan Plantagenet ( - ) |
| Father | William De Ferrers (1160 - 1190) |
| Mother | Sibyl De Braiose ( - ) |