Overview
Isaac Daniel Roosevelt, M.D. (September 29, 1790 – December 24, 1863) was an American doctor and farmer. He was the paternal grandfather of U.S. President Franklin D. Roosevelt.
Early life
Roosevelt was born on September 29, 1790, in New York City, he was the oldest surviving son of businessman and politician James Roosevelt (1760–1847) and Maria Eliza Walton (1769–1810), the daughter of Admiral Gerard Walton (d. 1821) and a descendant of Wilhelmus Beekman, who was the treasurer of the Dutch West India Company, Mayor of New York City, Governor of Delaware from 1653 to 1664, and Governor of Pennsylvania from 1658 to 1663.
His paternal grandparents were merchant and politician Isaac Roosevelt (1726–1794), a New York State Assemblyman and the New York State Constitutional Convention, and Cornelia Hoffman. He was the 3x-great-grandson of the first Roosevelt in America, Claes Maartenszen Van Rosenvelt (d. 1659).
Career
Roosevelt attended Princeton University before graduating in 1808. He then attended the College of Physicians and Surgeons in New York, receiving the degree of M.D. in 1812. He continued his medical studies until 1820 with Dr. David Hosack. Despite his extensive training, Roosevelt never practiced medicine, reportedly due to his inability to "bear the sight of human suffering."
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