Complex sentence: She is called "Ar-Feiniel", the White Lady of the Noldor, was the daughter of Fingolfin and Anairë, sister of Fingon, Turgon and Argon, and mother of Maeglin.
Split into simpler sentences: She is called "Ar-Feiniel", the White Lady of the Noldor. She was the daughter of Fingolfin and Anairë, sister of Fingon, Turgon and Argon, and mother of Maeglin.