Complex sentence: Foster was the son of Michael Foster, an attorney, was born at Marlborough, Wiltshire, on 16 December 1689, and, after attending the free school of his native town, matriculated at Exeter College, Oxford, 7 May 1705.
Split into simpler sentences: Foster was the son of Michael Foster, an attorney, and was born at Marlborough, Wiltshire, on 16 December 1689. After attending the free school of his native town, he matriculated at Exeter College, Oxford, 7 May 1705.