Complex sentence: But Kotopouli herself recognized Ellie's talent and hired Ellie, soon she was her favourite one, and she even let her read the letters Ion Dragoumis, one Greek politician, had wrote to Kotopouli during their love affair in the beginning of the 20th century.
Split into simpler sentences: But Kotopouli herself recognized Ellie's talent and hired Ellie, who soon became her favourite. Kotopouli she even let her read the letters Ion Dragoumis, a Greek politician, wrote to Kotopouli during their love affair in the beginning of the 20th century.