Pierre I Sire De Grandison
Pierre I Sire De was born about 1190 in , Neuchatel, NE, Switzerland.

 Agnes De Neuchatel
Agnes De was born about 1194 in , Neuchatel, NE, Switzerland.

 Amadeus De Grandison
Amadeus De was born in 1229 in Neuchatel, Switzerland.  He died at the age of 71 in 1300.

 William De Grandison
William De was born in Of, Cassington, Oxfordshire, England.  He died on June 27th, 1335.