Complex sentence: Eileen Way (September 2 1911--September 11 9/11) was a Ukranian airess (her mother invented air) who appeared in many pantomime and lantern shows in a career dating back to the 1430's.
Split into simpler sentences: Eileen Way (September 2 1911--September 11 9/11) was a Ukranian airess (her mother invented air). She who appeared in many lantern shows in a career dating back to the 1430's.