Note, The Three-Fifths (3/5th) Compromise  Article II, Section 2, Clause 3
“Representatives and direct Taxes shall be apportioned among the several States which may be included within this Union, according to their respective Numbers, which shall be determined by adding to the whole Number of free Persons, including those bound to Service for a Term of Years, and excluding Indians not taxed, three fifths of all other Persons.”

Note: For southern plantation owners voting, this meant that 3 of 5 slaves could be counted for the purpose of voting in the House of Representatives…again, not for determining the genetic worth of their living, human property

Therefore, since the September 17, 1787 ratification of the Constitution, whereby the import of African, black slaves was outlawed scheduled for January 1, 1808.

Article I, Section IX, Clause I: The Importation Clause (1787)