Roger De Byron
Roger De was born in 1157 in Horestan Castle, Derbyshire, England.¹   He died at the age of 42 in 1199 in Horeston Place, Derbyshire, East Midland, England.¹ 

 Nichola Deverdun
Nichola was born in 1165 in Horestan Castle, Derbyshire, , England.²   She died at the age of 36 in 1201 in Horestan Castle, Derbyshire, , England.² 

 Robert Byron (Burun)
Robert was born in 1200 in Hareston, Leicestershire, , England.³   He died in aft 1229; , , , England.³