Complex sentence: The aristocratic world he saw in France made a deep impression and he thought back to stories passed down in the family; the first result of which was, he changed the spelling of his name to Zborowski.
Split into simpler sentences: The aristocratic world he saw in France made a deep impression. And he thought back to stories passed down in the family; the first result of which was, he changed the spelling of his name to Zborowski.