Gervase Clifton
Gervase was born about 1305 in Clifton, Nottinghamshire, England.  He died after 1347.

 Margaret Pierrepont
Margaret was born about 1308 in Wingfield, Derbyshire, England.

 Robert Clifton
Robert was born about 1328 in Clifton, Nottinghamshire, England.  He died about 1356.