Complex sentence: Mitchell married Phoebe Peet the daughter of Deacon Thomas Peet in 1753 and subsequently gifted the larger Georgian house and fourteen acres to his son Zachariah III in 1776, when he married.
Split into simpler sentences: Mitchell married Phoebe Peet the daughter of Deacon Thomas Peet in 1753. Mitchell subsequently gifted the larger Georgian house and fourteen acres to his son Zachariah III in 1776, when he married.