[2] The foundation charter records donations to Saint-Acheul by Count Enguerran of Boves and his vidame Eustache.
It was issued in the first year of Enguerrand's rule, and praises his restoration of law and order.
Enguerrand and Sybil's first husband became bitter enemies and continued to fight a private war.
Adèle's son Thomas de Marle hated his father and joined the enemies against him.
[8] With the kidnapped Sibyl pregnant with Enguerrand's child, he later married her and they had a daughter, Agnès de Coucy.