What were the names of the 2 warring families that fought in the battle of bosworth?

The two warring families that fought in the Battle of Bosworth were the House of Lancaster and the House of York. This battle, which took place on August 22, 1485, was a decisive conflict in the Wars of the Roses, ultimately leading to the rise of Henry Tudor (Henry VII) and the establishment of the Tudor dynasty. The battle marked the end of the Yorkist rule and solidified Lancaster's claim to the throne.