Complex sentence: Wilhelmina Krafft (married name "Noreaus", 1778--1828) was a Swedish painter and portrait miniaturist, child of the painter Per Krafft the Elder and sister of the artist Per Krafft the Younger.
Split into simpler sentences: Wilhelmina Krafft (married name "Noreaus", 1778--1828) was a Swedish painter and portrait miniaturist. She was the daughter of the painter Per Krafft the Elder and the sister of the painter Per Krafft the Younger.