Simplify the following text for a Grade 6 native English-speaking person.
Original: At the Durga Puja festival , Durga is shown as the mother of Ganesha , Kartikeya , Lakshmi and Saraswati .
Simplified: Durga is one of the goddesses in Hinduism and is a form of Devi , the supreme goddess . In Bengal , she is said to be the mother of Ganesha , Kartikeya as well of Saraswati and Lakshmi .