It is Cro Magnon, and is a common name that has been used to describe the first early modern humans (early Homo sapiens sapiens) that lived in the European Upper Paleolithic. About 45,000 years ago, that could have been your great grandmother if you are of European descent.
The Cro-Magnon were a population of early anatomically modern humans that lived in Europe during the Upper Paleolithic period, around 40,000 to 10,000 years ago. They are known for their sophisticated tools, art, and burial practices. Cro-Magnon people are considered ancestors of modern humans.