I hate the vision Western people have of African ancestors. I know how they expect them to move, to dance, to sing. I had the same question about ancestors. You're bringing "Dahomey" to the US ...
These artefacts are "royal treasures", an early title card in Mati Diop's documentary Dahomey informs us, that were pilfered from the kingdom of Dahomey by French colonisers in an 1892 invasion.