No. Grant freed his one slave in 1859. Grant freed his last ones in December 1862.
Grant had one slave and his wife’s (Julia Grant nee, Dent) family had several more in their home state of Missouri. Grant freed his one slave in 1859 but those owned by his wife were retained till ‘65 when Missouri abolished slavery.
Lee freed his slaves in Arlington in ‘62 writing, “There are few, I believe, in this enlightened age, who will not acknowledge that slavery as an institution is a moral and political evil.”
Grant had control of his wife’s slaves who were not freed until the passage of the thirteenth amendment in 1866.Lee was not a slave owner but was the executor of his father in law and following his will freed those slaves.