Pierre
Pierre was born about 1225 in , Neuchatel, Ne, Switzerland.  Pierre is no longer alive.

 Agnes De Neuchatel
Agnes De was born about 1224 in , Neuchatel, Switzerland.

 William De Grandison
William was born in 1255 in Cassington, Oxfordshire, England.  He died at the age of 80 on June 27th, 1335 in Gascony, France.