Complex sentence: The community and lake was built by land developer James Jacob Rupel, who was active in the Greater Dayton area and Indiana for over 50 years and the former owner of Centre City Building and the Carillon House in Downtown Dayton.
Split into simpler sentences: The community and lake was built by land developer James Jacob Rupel. Active in the Greater Dayton area and Indiana for over 50 years and the former owner of Centre City Building and the Carillon House in Downtown Dayton.