Sibell de Crepon

Sibell was born in 0952.  Sibell's father was Herbastus Herfast De Crepon.  Her paternal grandparents were Gorm Del Gammel King of Denmark and Thyri Klacksdottir. She had a brother and four sisters, named Herfast, Gunnora, Wevie, Avelina FitzRichard and Senfrie.  She was the third oldest of the six children.  Sibell is no longer alive.

They had a son named Hugh De Montgomery I Earl of.