The '''Beauforts''' were the four offspring of [[John of Gaunt]] and his mistress (later his wife) [[Catherine Swynford]]. They were legitimised after the pair’s marriage by an Act of Parliament in 1397. They became a powerful and politically active noble line and were constant supporters of the [[Lancastrian]] cause. The more notable of the line are as follows: | The '''Beauforts''' were the four offspring of [[John of Gaunt]] and his mistress (later his wife) [[Catherine Swynford]]. They were legitimised after the pair’s marriage by an Act of Parliament in 1397. They became a powerful and politically active noble line and were constant supporters of the [[Lancastrian]] cause. The more notable of the line are as follows: |