The Anunnaki genetically altered Homo erectus to create Homo sapiens.
Extraterrestrial beings, including Arcturians, conducted genetic experiments through reproduction to create Homo sapiens.
Adam (First human / homo sapiens)
The beginning of humanity, as understood through modern science, traces back to the emergence of Homo sapiens in Africa around 300,000 years ago.
As of 2013, estimates on the age of this split ranged at around 155,000 years ago, consistent with a date later than the speciation of Homo sapiens but earlier than the recent out-of-Africa dispersal.
The Aessir started to have children with humans (or homo sapiens).