Saint Helena (Elena) was the empress who found the cross of Jesus Christ. She was the mother of Constantine the Great.
Yes but she is usually known as Saint Helena.
No, Saint Helen and Saint Eileen are considered separate saints in the Christian tradition. Saint Helen is known as the mother of Emperor Constantine the Great and is celebrated for her pilgrimage to the Holy Land, while Saint Eileen is a lesser-known saint with a background tied to Irish and Scottish folklore.
...Elena never had children.
Elena Altieri's birth name is Elena Capucci.
Elena Lyons's birth name is Elena Rosaia.
Elena Kadare's birth name is Elena Gushi.
Elena Khvan's birth name is Elena Khvan.
Fiorenzani Elena's birth name is Elena Fiorenzani.
Elena Ostroumova's birth name is Elena Ostroumova.
Elena Montalban's birth name is Elena Monkobodsky.
Elena Veronese's birth name is Elena Puatto.
Elena Bog's birth name is Amariei Elena.