Complex sentence: Some families like the Gilliams arrived in Virginia in the 17th century as indentured servants, but by the late 18th century through hard work and smart marriages the Gilliam family had amassed several plantations including Weston Manor.
Split into simpler sentences: Some families like the Gilliams arrived in Virginia in the 17th century as indentured servants. By the late 18th century through hard work and smart marriages the Gilliam family had amassed several plantations including Weston Manor.