their faces seem very round
It could be that was the style (compare these with Lady Sennui and her consort), or they may have just been jowl-y, i.e., very well fed. The architect of the Great Pyramid (and he wasn’t an alien, btw) can be seen in a lifesize statue, and he had man-boobs.
Pair statue of Ptahkhenuwy and his wife. Painted limestone. Eqyptian, Old Kingdom, Dynasty 5, 2465-2323 B.C.E. Museum of Fine Arts, Boston, Harvard University -- Boston Museum of Fine Arts Expedition, 06.1876.