John L'Arcedekne
John was born about 1306 in Tintagel Castle, Cornwall, England.  He died about 1320.

 Cecily Haccombe
Cecily was born about 1320 in Haccombe, Devonshire, England.

 Richard L'Arcedekne
Richard was born about 1342 in Tintagel Castle, Cornwall, England.  He died on September 20th, 1400.

 Warren L'Arcedekne
Warren was born in 1354 in Castle Cary, Somersetshire, England.  He died before December 10th, 1400.