Complex sentence: The site of Henricus later became part of the Shire of Henrico (1634), later renamed Henrico County (1637), and then was included in the area south of the James River subdivided to form Chesterfield County in 1749.
Split into simpler sentences: The site of Henricus later became part of the Shire of Henrico (1634), later renamed Henrico County (1637). It is now then was included in the area south of the James River subdivided to form Chesterfield County in 1749.