The first genome data from ancient Egyptian mummies
mpg.de
mpg.de
However, there is not enough sample data to make a universal assertion. What if Egyptian Pharos were a bit like European royalties, where the Austrian princess would marry the ruler of France or German royalty would marry the Russian Tzar. And these mummified people were prince or princes from Near East empires marrying into Egyptian royalty to forge political bonds?
"The ancient Egyptian royal families were almost expected to marry within the family, as inbreeding was present in virtually every dynasty. Pharaohs were not only wed to their brothers and sisters, but there were also "double-niece" marriages, where a man married a girl whose parents were his own brother and sister."
http://www.medicalbag.com/grey-matter/impact-of-royal-inbree...
Lastly, most mummies are not royal family members. Rulers were often buried with their servants. The article doesn't specify who exactly they analysed.
Sub-Saharan Africa was marked by the Bantu expansion some time later, with Niger-Congo-speaking peoples expanding out of West Africa between about 3,000 BCE to 500 CE. This at best just takes Bantu speakers to the very peripheries of the Egyptian sphere, the modern slave trade and maritime trade with East Africa are probably likelier causes. https://en.wikipedia.org/wiki/Bantu_expansion
It was possible to travel from the Victoria lake to the Mediterranean sea (and vise versa). At the same time there were hydrological connections between the Chad basin and the great Lakes and between the great lakes and the Congo basin. And from the Chad area to the Niger area.
From the Jos plateau (cradle of Nok culture) it is possible to reach Lake Chad via the Komadugu River.
It is also possible to travel to Cameroon and near Chad Lake, via the Benue River, which is a tributary of the Niger. From the Benue River, it is possible to reach the Logone which flows north towards the lake in Chad.
From Chad Lake it is possible to take the Chari River towards the Congo River. A recent study was published about the Congo basin, describing it as a massive swamp 4,000 years ago.
The rivers of Dja and Kadei are born in Cameroon and head south-east to throw themselves into the Sangha river, which is a tributary of the Congo River.
The Uele River has its source close to the White Nile and Lake Albert.
My points are:
1) That people could move at that time on very large distance via boats.
2) That there were already beautiful civilizations in the Niger basin at that time.
Ref: https://www.britannica.com/demystified/are-the-middle-east-a...
Middle-East is too broad to have usefulness in the article.
If they are from Lower Egypt that might be "Asiatics" Hyksos dynasty. From the map Abusir el-Meleq seems to be much closer to Lower (i.e. Northern part of) Egypt.