William 'The Noble' Fitz Duncan
William 'The Noble' Fitz was born about 1115 in Alnwick Castle, Scotland.  He died in 1154.

 Alice De Rumilly
Alice was born about 1120 in Gernon Castle, Normandy, France.  She died in 1187.

 Amabilis Fitz William
Amabilis Fitz was born about 1145.