compare this study with the SPN paper.
Ancient DNA Reveals a Multi-Step Spread of the First Herders into Sub-Saharan Africa - PMC
How food production first entered eastern Africa ~5000 years ago and the extent to which people moved with livestock is unclear. We present genome-wide data from 41 individuals associated with Later Stone Age, Pastoral Neolithic (PN), and Iron Age ...

Does this mean that Mota-like people were demographically dominant in ancient Sudan?