Simplify the following text for a Grade 6 native English-speaking person.
Original: She was born in Boulogne , France , the daughter of Eustace III , Count of Boulogne and his wife Mary of Scotland , daughter of King Malcolm III of Scotland and Saint Margaret of Scotland .
Simplified: She was the daughter of Eustace III of Boulogne and Mary of Scotland . Matilda 's mother , Mary , was the daughter of Malcolm III of Scotland and Saint Margaret of Scotland .