Simon Thelwall (MP died 1586) explained

Simon Thelwall or Theloal (1525/26–1586), of Plas y Ward, Llanynys, Denbighshire, was a Welsh politician.^[1]

He was a Member (MP) of the Parliament of England for Denbigh Boroughs March 1553, October 1553, 1559 and 1571, and for Denbighshire in 1563.^[2]

He married Margaret Griffith, daughter of William Griffith.

Notes and References

1. Web site: THELWALL family, Plas y Ward, Bathafarn, Plas Coch, and Llanbedr, Denbs. | Dictionary of Welsh Biography . Yba.llgc.org.uk . 2019-03-02.
2. Web site: Members Constituencies Parliaments Surveys . THELWALL (THELOAL), Simon (1525/26-86), of Plas y Ward, Llanynys, Denb. . History of Parliament Online . 2019-03-02.