Oliver m Mary Greeno 19 Jul1851 Swanton. Their son
Oliver m Judith/Julia Landurant 21 Jul 1875 Swanton. Their son
Oliver m Amanda Babeau/Maud Babbitt 27 Oct 1896 Burlington.
I have no knowledge of David Charles Parizo nor of the children of the 3rd Oliver. David might have been their son. Another possibility is - a Charles and a David Pariso are listed in Essex VT directory in 1882-3