Question: Where did Guy Ii Of Ponthieu's mother die?
Answer: Perseigne Abbey

Helie returned to France, where she married William III of Ponthieu in 1115. They had twelve children, including two named Robert, two named William, and two named Enguerrand: Helie died on 28 February 1141, in Perseigne Abbey in Neufchâtel-en-Saosnois.