Myddelton was the eldest son of Sir Thomas Myddelton, 1st Baronet and his first wife Mary Cholmondley, daughter of Thomas Cholmondley of Vale Royal, Cheshire.He succeeded to the baronetcy of Chirke in the County of Denbigh on the early death of his father in 1664.Their only child was a daughter, Charlotte (1680–1731), who married Edward Rich, 6th Earl of Warwick.Myddleton was succeeded in the baronetcy and the Chirk estate by his younger brother Richard.You can help Wikipedia by expanding it.This article about a Member of the Parliament of England (before 1707) representing a Welsh constituency is a stub.