President Barack Obama is your second cousin once removed's husband's fifth great grandmother's husband's great grandfather's wife's 11th great nephew.
Abraham Lincoln, 16th President of the United States is your second cousin once removed's husband's fifth great aunt's husband's third cousin thrice removed.
Diana, Princess of Wales is your second cousin once removed's husband's fifth great grandmother's husband's great grandfather's wife's sister's husband's second cousin twice removed.
Warren Buffett is your second cousin once removed's husband's 10th great aunt's husband's sister's second cousin five times removed.
President Thomas Jefferson is your second cousin once removed's husband's fifth great grandmother's husband's daughter's husband's second cousin.
Dorothea "Dolley" Madison (Payne) is your second cousin once removed's husband's fifth great grandmother's husband's nephew's wife's first cousin's wife's sister.
President James Madison is your second cousin once removed's husband's fifth great grandmother's husband's great grandfather's wife's third great nephew.
