Pierre I Sire De Grandison
Pierre I Sire was born in 1195 in Neuchatel, NE, Switzerland.

 Agnes De Neuchatel
Agnes was born in 1220 in Neuchatel, NE, Switzerland.

 William De Grandison
William was born in 1250 in Cassington, Oxfordshire, England.  He died at the age of 85 on June 27th, 1335.