Complex sentence: Nathaniel alias Bridges (through the early death of Nathaniel II) Humphries, 6 was an established Westmoreland attorney in 1705, guardian of Nathaniel Washington in 1708, while the mariner Nathaniel was first recorded as married in 1704.
Split into simpler sentences: Nathaniel alias Bridges (through the early death of Nathaniel II) Humphries, 6 became an established Westmoreland attorney by 1705, and served as guardian of Nathaniel Washington in 1708. The mariner Nathaniel was first recorded as married in 1704.