Analysis of information sources in references of the Wikipedia article "Art of ancient Egypt" in English language version.
A head from a statue of an official dating to the 12th or 13th Dynasty (1802–1640 B.C.) sports the mushroom-shaped hairstyle commonly worn by non-Egyptian immigrants from western Asia such as the Hyksos.
The foreigners of the fourth register, with long hairstyles and calf-length fringed robes, are labeled Chiefs of Retjenu, the ancient name tor the Syrian region. Like the Nubians, they come with animals, in this case horses, an elephant, and a bear; they also offer weapons and vessels most likely filled with precious substance.
Trajan was, in fact, quite active in Egypt. Separate scenes of Domitian and Trajan making offerings to the gods appear on reliefs on the propylon of the Temple of Hathor at Dendera. There are cartouches of Domitian and Trajan on the column shafts of the Temple of Knum at Esna, and on the exterior a frieze text mentions Domitian, Trajan, and Hadrian