John Thornhill
John was born in 1180 in Thornhill, Yorkshire, England.  He died at the age of 69 in 1249.

 Oliva de la Mare
Oliva was born in 1184 in England.  She died at the age of 56 in 1240.

 Sir Knight Richard Thornhill
Richard was born about 1238 in Thornhill, Yorkshire, England.  He died in 1287.