Simplify the following text for a Grade 4 native English-speaking person.
Original: Instead Artemis , having been born first , assisted with the birth of Apollo . Another version , in the Homeric Hymn to Delian Apollo and in an Orphic hymn , states that Artemis was born before Apollo , on the island of Ortygia , and that she helped Leto cross the sea to Delos the next day to give birth there to Apollo .
Simplified: Artemis helped Leto to give birth to Apollo .