No. Article 1, Section 2, Clause 3 are delegated powers from the States invested in its agent, the Congress of the Confederate States, according to Article 1, Section 1 of the Confederate Compact.
No. George Washington Parke Curtis appointed FOUR executors to his estate, including Robert Edward Lee.
No. Robert Edward Lee did not inherit any slaves from his Father-In-Law, George Washington Parke Curtis passed away in 1857.
Yes. Congressional Congressmen made their legal argument through Article 1, Section 2, Clause 3 of the compact entitled “The Constitution of the United States”. Slavery was tied to State representation in the US House of Representatives. Remove slavery and States lose representation and therefore the power to affect legislation.