Herbert De St Quintin
Herbert De was born on June 17th, 1303.  He died before July 10th, 1347.

 Margery De L'isle
Margery was born about 1304.

 Lora De St Quintin
Lora De was born in 1342 in Stanton Quintin, Wiltshire, England.  She died at the age of 27 in 1369.