Abraham Lincoln, 16th President of the USA is Hon. John Quincy Adams, 6th President of the USA's sister-in-law's husband's first cousin once removed's wife's sister's husband!

Hon. John Quincy Adams, 6th President of the USA
 

Louisa Catherine Adams
his wife

show 7 relatives

Mary Todd Lincoln, First Lady
her sister

Abraham Lincoln, 16th President of the USA
her husband

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