Robert de Vere , Lord of Twywell
Robert de was born in 1124 in Addington, Northamptonshire, England.  He died at the age of 70 on December 26th, 1194 in Twywell, Thrapston, Northamptonshire, England.

 Matilda de Furnell
Matilda de was born in 1132 in England.  Matilda de is no longer alive.

 Henry de Vere
Henry de was born in 1155 in Addington, Northamptonshire, England.

 Cecilia de Vere
Cecilia de was born about 1175 in Twywell, Thrapston, Northamptonshire, England.