John De Perceval
John was born about 1286 in Somersetshire, England.  He died in 1339 in Somersetshire, England.

 Melicent De Sancto Mauro
Melicent De Sancto was born about 1300 in Somerset, England.  She died after 1339.

 Walter De Perceval
Walter was born in 1326 in Somersetshire, England.  He died at the age of 23 in 1349 in Somersetshire, England.