context: Roosevelt was born on January 30, 1882, in Hyde Park in New York. He received his first lessons from private tutors, then joined Harvard University, and graduated in 1904. After his graduation, he enrolled in the Faculty of Law at Columbia University (1904-1907), but he did not graduate there, as he failed to pass the exam. Franklin Delano Roosevelt is of French-Dutch origin. His great-grandfather, Nicholas Roosevelt, was elected mayor of New York City (1698-1701). As for his father, James Roosevelt (1828-1900), he worked as a lawyer and financial expert, and died of heart disease, when Franklin was in his first years of studies at Harvard University. As for his mother, Sarah "Sally" (1854-1941), she died at the age of 87, during the third term of her son's presidency. Roosevelt inherited a fortune of about $ 920,000. Franklin had one brother from his father, James James Roosevelt, and he worked first as a secretary at the American Embassy in Vienna, and then in London.
question: Who is Franklin Delano Roosevelt's father?
answers.text: James Roosevelt