Sophie of Saxe-Lauenburg
Sophie of Saxe-Lauenburg ( born: before 1444; died: 9 September 1473 ) was a German regent , Duchess of Jülich-Berg by marriage to Gerhard VIII of Jülich-Berg , and regent of Jülich , Berg and Ravensberg for her eldest son William IV from 1456 until 1473 . 
<triplet> Sophie of Saxe-Lauenburg <subj> Gerhard VIII of Jülich-Berg <obj> spouse <triplet> Gerhard VIII of Jülich-Berg <subj> Sophie of Saxe-Lauenburg <obj> spouse <subj> William IV <obj> child <triplet> William IV <subj> Sophie of Saxe-Lauenburg <obj> mother <subj> Gerhard VIII of Jülich-Berg <obj> father <subj> Jülich <obj> family