Francis Leonard Kellogg was a diplomat

Diplomat

A diplomat is a person appointed by a state to conduct diplomacy with another state or international organization. The main functions of diplomats revolve around the representation and protection of the interests and nationals of the sending state, as well as the promotion of information and...

, a special assistant to the Secretary of State

Secretary of State

Secretary of State or State Secretary is a commonly used title for a senior or mid-level post in governments around the world. The role varies between countries, and in some cases there are multiple Secretaries of State in the Government....

 during the Nixon and Ford Administrations and a prominent socialite 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...

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He was born in Manhattan

Manhattan

Manhattan is the oldest and the most densely populated of the five boroughs of New York City. Located primarily on the island of Manhattan at the mouth of the Hudson River, the boundaries of the borough are identical to those of New York County, an original county of the state of New York...

 at 118 East 70th Street, a son of Emily and Frank Leonard Kellogg. He was graduated from Choate School and Princeton University

Princeton University

Princeton University is a private research university located in Princeton, New Jersey, United States. The school is one of the eight universities of the Ivy League, and is one of the nine Colonial Colleges founded before the American Revolution....

. After military service in the Army during WW II, he would serve under both William P. Rogers

William P. Rogers

William Pierce Rogers was an American politician, who served as a Cabinet officer in the administrations of two U.S. Presidents in the third quarter of the 20th century.-Early Life :...

 and Henry Kissinger

Henry Kissinger

Heinz Alfred "Henry" Kissinger is a German-born American academic, political scientist, diplomat, and businessman. He is a recipient of the Nobel Peace Prize. He served as National Security Advisor and later concurrently as Secretary of State in the administrations of Presidents Richard Nixon and...

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He was first married in 1942 to a great-granddaughter of John Wanamaker

John Wanamaker

John Wanamaker was a United States merchant, religious leader, civic and political figure, considered by some to be the father of modern advertising and a "pioneer in marketing." Wanamaker was born in Philadelphia, Pennsylvania.-Biography:He was born on July 11, 1838.He opened his first store in...

, Fernanda Wanamaker Munn and they had two children. After their divorce in 1971 he married Mercedes Tavacoli, who would later after their own divorce marry Sid Bass

Sid Bass

Sid Richardson Bass is an American investor and businessman.-Life:He is a graduate of Yale University and Stanford Business School. His father, Perry Richardson Bass , built an oil fortune with uncle, Sid Richardson . Bass took control of the business in 1968. His investments include oil and gas...

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He died the age of 89 at 775 Park Avenue, just three blocks from where he was born.