Complex sentence: In 1849, General Vallejo sold the land to Dr. Thomas Stokes Page, a former resident of Valparaíso, Chile; the land holding remained in the Page family for over eighty years.
Split into simpler sentences: In 1849, General Vallejo sold the land to Dr. Thomas Stokes Page, a former resident of Valparaíso, Chile. The land holding remained in the Page family for over eighty years.