Complex sentence: In 1906, at the age of 18, Salomea moved from Tiflis to St. Petersburg, where she married the tea businessman Pavel Andreyev and gave birth to a daughter Irina.
Split into simpler sentences: In 1906, at the age of 18, Salomea moved from Tiflis to St. Petersburg. There she married the tea businessman Pavel Andreyev, and gave birth to a daughter Irina.