Lincoln asserted, to the applause of his audience, that “I am not, nor ever have been in favor of bringing about in any way the social and political equality of the white and black races … nor qualifying [negroes] to hold office, nor to intermarry with white people …”
Read about how a woman discovered she was descended from a vice president … and why she didn’t know until recently. It’s an interesting slice of American history:
The Vice President and His Mulatto (Undercover Black Man)