On March 17, 1905, Roosevelt married Eleanor despite the fierce resistance of his mother. Eleanor's uncle, Theodore Roosevelt, stood in at the wedding for Eleanor's deceased father Elliott. The young couple moved into Springwood, his family's estate, where FDR's mother became a frequent house guest, much to Eleanor's chagrin. As for their personal lives, Franklin was a charismatic, handsome, and socially active man. In contrast, Eleanor was shy and disliked social life, and at first stayed at home to raise their children. Although Eleanor disliked sex, and considered it "an ordeal to be endured,"  they had six children in rapid succession:
Anna Eleanor (1906–1975; age 69)
James (1907–1991; age 83)
Franklin Delano, Jr. (March 18, 1909–November 7, 1909)
Elliott (1910–1990; age 80)
a second Franklin Delano, Jr. (1914–1988; age 74)
John Aspinwall (1916–1981; age 65).
Franklin and Eleanor at Campobello Island, Canada, in 1905.
Roosevelt had affairs outside his marriage, including one with Eleanor's social secretary Lucy Mercer which began soon after she was hired in early 1914. In September 1918, Eleanor found letters revealing the affair in Roosevelt's luggage, when he returned from World War I. According to the Roosevelt family, Eleanor offered Franklin a divorce so that he could be with the woman he loved, but Lucy, being Catholic, could not bring herself to marry a divorced man with five children. According to FDR's biographer Jean Edward Smith it is generally accepted that Eleanor indeed offered "to give Franklin his freedom." However, they reconciled after a fashion with the informal mediation of Roosevelt's adviser Louis McHenry Howe, and FDR promised never to see Lucy again. Sara also intervened, and told Franklin that if he divorced his wife, he would bring scandal upon the family, and she "would not give him another dollar." However, Franklin broke his promise. He and Lucy maintained a formal correspondence, and began seeing each othe...