Complex sentence: This large number testifies to the importance that royal funerary cults had in Ancient Egyptian society, as the benefactors of these sacrifices were the priests participating in the cult who would consume the offering after the required ceremonies.
Split into simpler sentences: This large number testifies to the importance that royal funerary cults had in Ancient Egyptian society. The benefactors of these sacrifices were the priests participating in the cult, who would consume the offerings after the required ceremonies.