The Great Ennead was a family of nine gods. Some of these gods were Isis, Geb, Shu, and Atum. What culture believed in the Great Ennead?

Th Great Ennead were worshiped in ancient Egypt.

The Great Ennead was a group of nine deities in the Egyptian mythology. The name stems from the Greek enneas meaning 'nine'.

The principal ennead was the Great Ennead of Heliopolis. Then followed the sun god Atum, the deities of air and moisture Shu and Tefnut, gods of earth and sky Geb and Nut and their children Osiris, Isis, Seth and Nephtys.

The ancient Egyptians created many gods and associated legends. All the myths held that the world had arisen out of the lifeless waters of chaos. The Egyptian religion was polytheistic meaning they worshipped more than one god. The gods were neither all-powerful nor all-knowing, and they were generally benevolent.