Who was the father of Isabel Marshal's husband>
Isabel Marshal Isabel Marshal (9 October 1200 – 17 January 1240) was a medieval English countess. She was the wife of both Gilbert de Clare, 4th Earl of Hertford and 5th Earl of Gloucester and Richard, 1st Earl of Cornwall (son of King John of England). With the former, she was a great grandparent of King Robert the Bruce of Scotland.
Edmund Tudor, 1st Earl of Richmond Edmund Tudor, 1st Earl of Richmond (11 June 1430 – 3 November 1456), also known as Edmund of Hadham (Welsh: "Edmwnd Tudur"), was the father of King Henry VII of England and a member of the Tudor family of Penmynydd, North Wales. Born to Owen Tudor and the dowager queen Catherine of Valois, Edmund was half-brother to Henry VI of England. After being raised for several years by Katherine de la Pole, Henry took an interest in Edmund's upbringing. Once he came to age, Edmund was granted a title and lands by Henry. Both Edmund and his brother Jasper, were each made advisers to the King as they were his remaining blood relatives.