Robert Simon de Pierrepont
Robert Simon was born about 1282 in Holme Pierrepont, Nottinghamshire, England.

 Sarah Heriz
Sarah was born about 1285 in Wingfield, Derbyshire, England.  Sarah is no longer alive.

 Margaret De Pierrepont
Margaret was born about 1318 in Wingfield, Derbyshire, England.

 Sybil De Pierrepont
Sybil was born about 1320.