Complex sentence: Jedediah Buxton was the son of William Buxton a farmer and also the schoolmaster at Elmton however the Vicar of Elmton was not Jedediah's biological Grandfather.
Split into simpler sentences: Jedediah Buxton was the son of William Buxton a farmer and also the schoolmaster at Elmton. However the Vicar of Elmton was not Jedediah's biological Grandfather.