Complex sentence: The son of New York City merchant John Scott and Mary Morin, he was born in Manhattan, attended public school there, and graduated from Yale in 1746, at the age of 16.
Split into simpler sentences: The son of New York City merchant John Scott (1702-1733) and Marian Morin (1703-1755), he was born in Manhattan and attended public school there. Scott graduated Yale College in 1746, at the age of 16.