Original: Liadan finally gives birth to her son and her mother and father realize when the child is born that his father (Bran) must have been the son of John and Margery, kinsman of Iubdan when he was Lord of Horrowfield.
Simplified: Liadan finally gives birth to her son. Her mother and father realize when the child is born that his father (Bran) must have been the son of John and Margery, kinsman of Iubdan when he was Lord of Horrowfield.