By Hades who got shot with an arrow by Eros or better known as Cupid which made him fall in love with her and because she ate pomegranate seeds which made her stay in the underworld for part of the year
Hades fell in love with her and kidnapped her. He took her to the underworld to be his queen. While there, she ate 6 pomegranate seeds and therefore has to return there for 6 months of the year (I.e. winter)
Zeus negociated with Hades and Demeter so Persephone would stay in the underworld for one third of the year, one third with her mother, and one third remaining for herself.
Hades took Persephone to the underworld because of Persephone's beauty.
Queen Persephone is the queen of the Underworld. Hades is her husband and is ruler of the Underworld.
Persephone leaves the underworld in Spring and she returns in the beginning of Fall.
Persephone is both the goddess of Spring and the Queen of the Underworld.
Hades and Persephone had a palace in the Underworld.
Hades took Persephone to the Underworld to be His wife. Zeus (Persephone's father) promised Persephone to Hades as his wife.
Persephone ate of the pomegranate in the Underworld and so had to return to the Underworld every year.
Persephone was not Queen of the Underworld until taken to the Underworld by Hades: afterward, she was never taken anywhere against her will.
the underworld
Persephone is a Goddess of the Earth, and the Goddess of the Underworld.
Persephone returns from the Underworld in spring.
Persephone is best known as the Queen of the Underworld.