Nicholas Martin
Nicholas was born about 1210 in Barnstaple, Devonshire, England.

 Maud De+ Brienne
Maud De+ was born on December 25th, 1242 in Laugharne, Caernarvonshire, Wales.  She died after 1274.

 Avice Martin
Avice was born about 1265 in Dartington, Devonshire, England.