Complex sentence: Wolff was the nephew of Gustavus Schwabe, a financier from Hamburg, who was heavily invested in the Bibby Line, and the first three ships that the newly incorporated shipyard built were for that line.
Split into simpler sentences: Wolff was the nephew of Gustavus Schwabe, a financier from Hamburg. Schwabe had heavily invested in the Bibby Line, and the first three ships that the newly incorporated shipyard built were for the that line.