Thomas De Courtenay
Thomas was born about 1311 in Wooten Courtenay, Somersetshire, England.  He died in 1356.

 Muriel de Moels
Muriel was born in 1322 in Cadbury, Somersetshire, England.  She died before 1362.

 Muriel de Courtenay
Muriel was born about 1350 in Woodhuish, Devonshire, England.  She died on August 12th, 1389.  She was buried in Hartland Abbey, England.

 Margaret De Courtenay
Margaret was born about 1352 in Exeter, Devonshire, England.  She died on August 14th, 1422 in Cadbury, Somsetshire, England.