Complex sentence: Over the next 114 years (1760--1874), the Pennell family would build in excess of 90 ships in the Pennellville Shipyard, making them one of the wealthiest and most famous shipbuilding families in all of America.
Split into simpler sentences: Over the next 114 years (1760--1874), the Pennell family would build in excess of 90 ships in the Pennellville Shipyard. This made them one of the wealthiest and most famous shipbuilding families in all of America.