Robert de Muscegros
Robert was born about 1252 in Charlton, Somerset, England.  He died on December 27th, 1280.

 Agnes de Ferrars
Agnes was born in 1246.  She died after May 9th, 1281.

 Hawise Muscegros
Hawise was born on December 21st, 1276.  She died at the age of 98 on June 29th, 1375.