Hi A.J. As you know, Hiram Revels was a free person of color, born in North Carolina and went on to study at a Quaker Seminary in Ohio and at Knox College.
Susie Revels, his daughter married Horace Cayton, an ex-slave, who came to Seattle, Wash. and in a few years was publishing the SEATTLE REPUBLICAN, a newspaper directed at both black and white readers. Cayton worked his way through Alcorn college, graduating in the early 1880's. Susie Revels Cayton and Horace had a son named Horace R. Cayton, who would co-author "Black Metropolis", the "finest study of Urban Blacks since, "the Phildelphia negro",was published. Cayton was then a 33year old Professor of economics at Fisk University.
You might want to follow some of this branch and see where it leads.