Robert de Leyburne
Robert was born in 1150 in Leyburne, Kent, England.  Robert is no longer alive.

 Margaret de Huntingdon
Margaret was born in Northumberland, Northumberland, England.  She died in 1201 in Richmond, Yorkshire, England.

 Lord Roger de Leyburne of Berwick
Roger was born in Leyburne, Kent, England.  He died about 1251.