Complex sentence: Seward was born in the small community of Florida, New York, in Orange County, on May 16,1801, the third son of Samuel Sweezy Seward and his wife Mary (Jennings) Seward.
Split into simpler sentences: Seward was born in on May 16,1801 in the small community of Florida, New York, in Orange County. He was the third son of Samuel Sweezy Seward and his wife Mary (Jennings) Seward.