Ereshkigal
Ereshkigal, the ruler of the underworld, is the sister of Ishtar/Inanna.
Ganga
The river Ganges, referred to as Ganga, is a sacred river which according to legend, once only flowed across the heavens.
Iblis
In the Qur'an, the Devil has 2 names. Iblis, probably derived from the Greek diabolos and used always in the singular and as a personal name.
Izanami
Izanagi and Izanami were the two young gods chosen to bring order to the world of chaos in Japanese mythology.