Sir John , of Charlton Muscegros
Sir John , of Charlton was born on August 10th, 1232 in of Charlton.  He died at the age of 42 on May 8th, 1275.

 Cecily Avenal
Cecily was born about 1235.  She died before August 10th, 1301.

 Sir Robert de Muscegros
Sir Robert was born about 1252.  He died on December 27th, 1280.