Is she mix race?

Egypt (formally known as Kemet) had a native population of Negroid decent. However, the ruling population there now is Caucosoid/Arabid. But the latter invaded the land during the Islamic crusades. There were also other lighter complexioned people (e.g. the Berbers) before Arabs who displaced the native Negroid population.

I'm sorry but that's a radically incorrect but popular Afrocentric theory that has been proven many times to be utter nonsense.

http://jrbooksonline.com/PDF_Books/RaceOfAncientEgypt.pdf

DNA tests have shown the MAJORITY of ancient Egyptians to be the same as modern Egyptians, not counting in SSAfricans due to immigration. Modern Egyptians are NOT Arabs, but Egyptians. Nubians were a minority, didn't build the pyramids, & were descended from a different haplotype to SubSaharan Africans or Negroids. Drawings show that real ancient Egyptians portrayed Negroids in ways that indicated they were NOT rulers of Egypt. Look at the PDF above for DNA evidence.

Ancient Egyptians also consisted of European stock. A very recent study revealed Tut's DNA to be the same as Western EUropean men.

Quotes from above books:
"Genetics of Ancient Egyptians:
Scientists at the University of Cairo tested DNA from the remains of pyramid workers from 2600 BC,and found that the DNA of ancient Egyptians matches that of modern Egyptians. That is, the people living in Egypt now are essentially the same as the people living there thousands of years ago. (Read an excerpt from PBS's Secrets of the Pharaohs)

Borgognini-Tarli and G. Paoli, 1982. The ABO blood type frequencies of ancient Egyptians showed no
signs of differing significantly from that of present-day Egyptians. According to the authors, "the bloodgroup
distribution obtained for Asiut, Gebelen and Aswan necropoles shows resemblances with the present leucoderm population of Egypt and particularly with its more 'conservative' fraction (the Copts,MOURANT et al., 1976)."

Cavalli-Sforza et al. (1994) compared populations from throughout the world using extensive genetic data. The North African populations grouped with West Eurasian (European, Middle East) populations rather than sub-Saharan Africans.

Di Rienzo et al. (1994) studied the relationship of three samples (taken from Egyptians, Sardinians, and
sub-Saharan Africans), using mitochondrial DNA and simple sequence repeats. In terms of genetic distance, the Egyptian sample was closer to the Sardinian sample than to the sub-Saharan African sample.

Hammer et al. (1997) used seven different methods to compute population trees of world populations, using Y-chromosome data. All seven methods grouped the Egyptians with the non-African populations rather than with the sub-Saharan Africans. Egyptians' genetic profile resembles that of South Europeans
more than the other regional groups in the study.

Poloni et al. (1997). Egyptians and a few other African populations (Tunisians, Algerians, and even Ethiopians) showed a stronger Y-chromosome similarity to non-African Mediterraneans than to the remainder of Africans mostly from south of the Sahara.
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Ancient Egypt was NOT built or ruled by Negroids.