Complex sentence: Ninety Six was established on the frontier in the early 18th century; it was known for a time as "Jews Land" because some prominent Sephardic Jewish families of London bought extensive property there.
Split into simpler sentences: Ninety Six was established on the frontier in the early 18th century. For a time it was known as "Jews Land" because some prominent Sephardic Jewish families of London bought extensive property there.