Nicholas De Segrave
Nicholas De was born in 1238 in Segrave, Leicester, England.  He died at the age of 57 in 1295.

 Maud De Lacy
Maud De was born in England.  She died on April 11th, 1304.

 John De Segrave
John De was born about 1256 in England.  He died in 1330 in Gascony, France.