Complex sentence: Perrot was born at Haroldston St Issells, near Haverfordwest, Pembrokeshire as the third child of Mary Berkeley and Thomas Perrott, Esquire of Haroldston.
Split into simpler sentences: Perrot was born at Haroldston St Issells, near Haverfordwest, Pembrokeshire. He was the third son of Mary Berkeley and Thomas Perrott, Esquire of Haroldston.