1) Kermit Roosevelt (1889-1943), son of President Theodore Roosevelt. Wrote War in the Garden of Eden.
2) Kermit "Kim" Roosevelt, Jr. (1916-2000), son of Kermit Roosevelt. Worked for the CIA. Wrote Countercoup.
3) Kermit "Kim" Roosevelt III (1971--), son of Kermit Roosevelt Jr. Law professor who wrote In the Shadow of the Law and The Myth of Judicial Activism.