He became rector of Cantref in May 1635, having been appointed by his elder brother Hugh, who was the patron.
In 1654, he sought permission to preach from Jenkin Jones, one of those empowered by Parliament to approve such requests in Wales.
[1] His writings included a translation from the Italian of Stoa Triumphans: or Two Sober Paradoxes, I.
The Dispraise of Honors by Virgilio Malvezzi (1651) and a Welsh book, Cerbyd Iechydwriaeth (1657).
Other manuscript works, including Fragmenta de Rebus Britannicis, A Short Account of the Lives, Manners, and Religion of the British Druids and Bards, were left in his will to his friend Henry Vaughan.