Complex sentence: John Chamberlayne (1666--1723), miscellaneous writer and translator, a younger son of Edward Chamberlayne, was born about 1666, probably in or near London.
Split into simpler sentences: John Chamberlayne (1666--1723) is a miscellaneous writer and translator, and the younger son of Edward Chamberlayne. He was born about 1666, probably in or near London.