Complex sentence: Maat was also personified as a goddess regulating the stars, seasons, and the actions of both mortals and the deities, who set the order of the universe from chaos at the moment of creation.
Split into simpler sentences: Maat was also personified as a goddess regulating the stars, seasons, and the actions of both mortals and the deities. The dieties set the order of the universe from chaos at the moment of creation.