sentences:  She had proven childbearing ability and the ability to bear healthy sons; as evidenced by her six young children, three of whom were sons.These were most likely the reasons for both the proposal of marriage from Richard, 1st Earl of Cornwall, and Isabel's acceptance of it, despite the fact that her husband had been dead for only five months.The two were married on 30 March 1231 at Fawley Church, much to the displeasure of Richard's brother King Henry, who had been arranging a more advantageous match for Richard.