James Roosevelt was the oldest son of U.S. President

President of the United States

The President of the United States of America is the head of state and head of government of the United States. The president leads the executive branch of the federal government and is the commander-in-chief of the United States Armed Forces....

 Franklin D. Roosevelt

Franklin D. Roosevelt

Franklin Delano Roosevelt , also known by his initials, FDR, was the 32nd President of the United States and a central figure in world events during the mid-20th century, leading the United States during a time of worldwide economic crisis and world war...

. He was a United States Congressman

United States House of Representatives

The United States House of Representatives is one of the two Houses of the United States Congress, the bicameral legislature which also includes the Senate.The composition and powers of the House are established in Article One of the Constitution...

, an officer in the United States Marine Corps

United States Marine Corps

The United States Marine Corps is a branch of the United States Armed Forces responsible for providing power projection from the sea, using the mobility of the United States Navy to deliver combined-arms task forces rapidly. It is one of seven uniformed services of the United States...

, an aide to his father, the official Secretary to the President

Secretary to the President of the United States

The Secretary to the President was an old 19th and early 20th century White House position that carried out all the tasks now spread throughout the modern White House Office...

, a Democratic Party

Democratic Party (United States)

The Democratic Party is one of two major contemporary political parties in the United States, along with the Republican Party. The party's socially liberal and progressive platform is largely considered center-left in the U.S. political spectrum. The party has the lengthiest record of continuous...

 activist, and a businessman.
Roosevelt was born in New York City

New York City

New York is the most populous city in the United States and the center of the New York Metropolitan Area, one of the most populous metropolitan areas in the world. New York exerts a significant impact upon global commerce, finance, media, art, fashion, research, technology, education, and...

 at 125 East 36th Street. He attended the Potomac School and the National Cathedral School in Washington, D.C.

Washington, D.C.

Washington, D.C., formally the District of Columbia and commonly referred to as Washington, "the District", or simply D.C., is the capital of the United States. On July 16, 1790, the United States Congress approved the creation of a permanent national capital as permitted by the U.S. Constitution....

, and the Groton School

Groton School

Groton School is a private, Episcopal, college preparatory boarding school located in Groton, Massachusetts, U.S. It enrolls approximately 375 boys and girls, from the eighth through twelfth grades...

 in Massachusetts. At Groton, he rowed and played football, as well as serving as a prefect in his senior year.