Sophia of Hungary (b. c. 1050)

Sophia of Hungary (c. 1050 – 18 June 1095), a member of the royal Árpád dynasty, was a Margravine of Istria and Carniola from about 1062 until 1070, by her first marriage with Margrave Ulric I, as well as Duchess of Saxony from 1072 until her death, by her second marriage with Duke Magnus Billung.