Trying to connect the following to the family tree.Found on the 1920 Census E.Weston,Hackers Creek City,Hackers Creek Twp.,Lewis Co.,W.Va - ED 96,sheet 13A,Ln 49

John W.Nolf - age 49 - b.W,Va - parents b.Va - moulder,Mfg.factory
Effie - wife - age 51 - b.W.Va - father b.W.Va,mother b.Va
Andrew - son - age 16 - b.W.Va - parents b.W.Va - sets pins in bowling alley - ED 96,sheet 13B,Ln 1
Virginia - dau - age 11 - b.W.Va - parents b.W.Va
Juanita - age 9 - b.W.Va - parents b.W.Va

Any help in determining his parents and grandparents greatly appreciated.

Best Regards,
Bill Nulph
Houston,Texas