Complex sentence: Ksenia Mikhailovna Pokrovsky was born March 9,1942 in Osh, Kyrgyzstan (Ferghana, Central Asia) where her expectant mother, along with many Muscovites, had been evacuated during World War II when the German Army advanced to within 100 miles of Moscow.
Split into simpler sentences: Ksenia Mikhailovna Pokrovsky was born March 9,1942 in Osh, Kyrgyzstan (Ferghana, Central Asia). Her expectant mother had been evacuated to Osh, along with many Muscovites, during World War II as the Nazi army advanced to within 100 miles of Moscow.