Complex sentence: They were lifelong business partners; held all their property in common; married sisters; had the same number of children; contracted the same fatal ailment; died within hours of each other and are buried in the same grave in Twinsburg's Locust Grove Cemetery.
Split into simpler sentences: They were lifelong business partners, held all their property in common, married sisters, had the same number of children, contracted the same fatal ailment and died within hours of each other. They are buried in the same grave in Twinsburg's Locust Grove Cemetery.