Complex sentence: Prince Andrew was born at the Winter Palace, Saint Petersburg on January 25,1897 the second child but first son of Grand Duke Alexander Mikhailovich and Grand Duchess Xenia Alexandrovna of Russia.
Split into simpler sentences: Prince Andrew was born at the Winter Palace, Saint Petersburg on January 25,1897. He was the second child but first son of Grand Duke Alexander Mikhailovich and Grand Duchess Xenia Alexandrovna of Russia.