Who begat whom, again?
Father: Theodore Roosevelt (Sr.), known as Thee, 1831-1878, a wealthy New Yorker, active in his father's firm, Roosevelt and Sons
Mother: Martha Bulloch Roosevelt, known as Mittie, 1835-1884, scion of a prominent southern family
Elder Sister: Anna Roosevelt Cowles, known as Bamie or, in later life, Bye, 1855-1931
Younger Brother: Elliott Bulloch Roosevelt, 1860-1894, father of first lady Eleanor Roosevelt
Younger Sister: Corinne Roosevelt Robinson, known as Conie, 1861-1933.
First Wife: Alice Hathaway Lee-Roosevelt, 1861-1884, Boston Brahmin
Daughter: Alice Lee Roosevelt Longworth, 1884-1980
Second Wife: Edith Kermit Carow Roosevelt, 1861-1948, childhood friend of the Roosevelts
Eldest Son: Theodore Roosevelt, Jr., 1887-1944, officer and politician
Son: Kermit Roosevelt, 1889-1943, laborer and officer
Daughter: Ethel Carow Roosevelt Derby, 1891-1977, progressive activist and nurse
Son: Archibald Bulloch Roosevelt, known as Archie, 1894-1979, executive and officer
Youngest Son: Quentin Roosevelt, 1897-1918, pilot
Granddaughter: Paulina Longworth, 1925-1957, daughter of Alice Lee Roosevelt Longworth and Nicholas Longworth
Granddaughter: Grace Green Roosevelt, 1911-1993, daughter of Theodore Roosevelt Jr. and Eleanor Butler Alexander Roosevelt
Grandson: Theodore Roosevelt III, 1914-2001, son of Theodore Roosevelt Jr. and Eleanor Butler Alexander Roosevelt
Grandson: Cornelius Van Schaak Roosevelt, 1915-1991, son of Theodore Roosevelt Jr. and Eleanor Butler Alexander Roosevelt
Grandson: Quentin Roosevelt II, 1919-1948, son of Theodore Roosevelt Jr. and Eleanor Butler Alexander Roosevelt
Grandson: Kermit Roosevelt, Jr., 1916-2000, son of Kermit Roosevelt and Belle Wyatt Willard Roosevelt
Grandson: Joseph Willard Roosevelt, 1918-2008 , son of Kermit Roosevelt and Belle Wyatt Willard Roosevelt
Granddaughter: Belle Wyatt Roosevelt, 1919-1985, daughter of Kermit Roosevelt and Belle Wyatt Willard Roosevelt
Grandson: Dirck Roosevelt, 1925-1952, son of Kermit Roosevelt and Belle Wyatt Willard Roosevelt
Grandson: Richard Derby, Jr., 1914-1922, son of Ethel Carow Roosevelt Derby and Dr. Richard Derby
Granddaughter: Edith Derby, 1917-2008, daughter of Ethel Carow Roosevelt Derby and Dr. Richard Derby
Granddaughter: Sarah Alden Derby, 1920-1999, daughter of Ethel Carow Roosevelt Derby and Dr. Richard Derby
Granddaughter: Judith Quentin Derby Ames, 1923-1973, daughter of Ethel Carow Roosevelt Derby and Dr. Richard Derby
Grandson: Archibald Bulloch Roosevelt, Jr., 1918-1990, son of Archibald Roosevelt and Grace Lockwood Roosevelt
Granddaughter: Theodora Roosevelt, usually known as Theodora Keogh, 1919-2008, daughter of Archibald Roosevelt and Grace Lockwood Roosevelt
Granddaughter: Nancy Dabney Roosevelt, 1923-, daughter of Archibald Roosevelt and Grace Lockwood Roosevelt
Granddaughter: Edith Kermit Roosevelt, 1926-2003, daughter of Archibald Roosevelt and Grace Lockwood Roosevelt