 As established in the appendix of "Dune" (1965), Wensicia is the third daughter of the 81st Padishah Emperor Shaddam IV and Anirul, a Bene Gesserit of Hidden Rank.Her oldest sister is the Princess Irulan; her three other siblings are sisters Chalice, Josifa and Rugi.Wensicia accompanies her father into exile on Salusa Secundus after he is deposed by Paul Atreides in "Dune".