Edmund Tudor 's son became king as Henry VII after defeating Richard III at the Battle of Bosworth Field in 1485 , winning the Wars of the Roses .
By the late 15th century , the Tudors were the last hope for the Lancaster supporters .
Tudors   's son became king as Henry VII after defeating Richard III at the Battle of Bosworth Field in 1485 , winning the Wars of the Roses .
By the late 15th century , the Tudors were the last hope for the Lancaster supporters .