**Geoffrey de Greneville
**Geoffrey was born about 1228 in Dublin, Ireland.  He died on October 21st, 1314.

 **Maude de Lacy
**Maude was born in 1223 in Lincoln, England.  She died at the age of 66 in March 1289.

 **Piers de Greneville
**Piers was born in 1244.  He died at the age of 48 in 1292.