Complex sentence: Her family lived for some time in Vilnius, but at the age of nine she fled Russian-occupied Lithuania with her mother in 1941 when her father was deported to Siberia and settled in Berlin where she has lived ever since.
Split into simpler sentences: Her family lived for some time in Vilnius, but she and her mother fled then Russian-occupied Lithuania in 1941, when her father was seized and deported to Siberia. She and her mother settled in Berlin where she has lived ever since.