James De La Planche
James was born in 1265 in Wendover Manor, Buckinghamshire, England.  He died at the age of 41 in 1306 in ,,Warwickshire, England.

 Matilda De Haversham
Matilda was born in 1274 in Haversham, Northamptonshire, England.  She died at the age of 62 in 1336 in Olney, Buckinghamshire, England.

 William Planches
William was born in 1310 in Haversham, Buckinghamshire, England.