Saier De Quincy
Saier was born about 1090.  He died about 1156.

 Maud De St Liz
Maud De was born in 1095 in Hampshire, England.  She died at the age of 68 in 1163.

 Robert De Quincy
Robert was born in 1125 in Long Buckley, Northamptonshire, England.  He died at the age of 67 in 1192.

 Saier De Quincy
Saier was born in 1127.  He died at the age of 63 in 1190.