They were forced to liquidate their properties and businesses and interned in hastily built camps in interior, harsh locations. Distracted by other issues, Roosevelt had delegated the decision for internment to Secretary of War Stimson, who in turn relied on the judgment of Assistant Secretary of War John J. McCloy. The Supreme Court upheld the constitutionality of the executive order in the 1944 case of Korematsu v. United States. The couple's second son, Franklin, died in infancy in 1909. Another son, also named Franklin, was born in 1914, and the youngest child, John, was born in 1916.Roosevelt had various extra-marital affairs, 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. On the first presidential ballot of the convention, Roosevelt received the votes of more than half but less than two-thirds of the delegates, with Smith finishing in a distant second place.