Complex sentence: While boating around the Frisian Islands correcting antiquated British sea charts of coastline's shifting topography, by chance he had met a retired German sailor by the name of Dollman and his family, including a daughter called Clara, with whom Davies has initiated a romantic attachment.
Split into simpler sentences: While boating around the Frisian Islands correcting antiquated British sea charts of coastline's shifting topography. By chance he had met a retired German sailor by the name of Dollman and his family, including his daughter Clara, with whom he had initiated a romantic attachment.