Complex sentence: He was born in Paris, the eldest son of Horace St. Paul of Ewart Park, Northumberland and educated at Houghton le Spring and Eton College (1783).
Split into simpler sentences: He was born in Paris, the eldest son of Horace St. Paul of Ewart Park, Northumberland. St Paul was educated at Houghton le Spring and Eton College (1783).