Background
Myddelton was the fourth son of Sir Thomas Myddelton, 1st Baronet of Chirk Castle and his first wife Mary Cholmondley, daughter of Thomas Cholmondley of Vale Royal, Cheshire.
Myddelton was the fourth son of Sir Thomas Myddelton, 1st Baronet of Chirk Castle and his first wife Mary Cholmondley, daughter of Thomas Cholmondley of Vale Royal, Cheshire.
He held the seat until 1705. He was appointed High Sheriff of Denbighshire for 1688. Myddelton married Frances Whitmore widow of William Whitmore of Balmes in 1686.
1st Parliament of Great Britain. 2nd Parliament of Great Britain. 3rd Parliament of Great Britain.
4th Parliament of Great Britain.
5th Parliament of Great Britain]
In 1685 Myddelton was elected Member of Parliament (Member of Parliament) for Denbighshire.