Trying to connect the following to the family tree.Found on the 1920 Census Peru Twp.,Miami Co.,North Dakota - ED 145,sheet 16A,Ln 47

Harry Nulph - age 34 - b.North Dakota - parents b.North Dakota - car repairer,railroad
Mamie (Siles) - wife - age 26 - b.Indiana - father b.Indiana,mother b.Ohio
Anna May - dau - age 6 - b.Indiana - father b.North Dakota,mother b.Indiana
Louisetta - dau - age 4 10/12 - b.Indiana - father b.North Dakota,mother b.Indiana
Grace C. - dau - age 3 4/12 - b.Indiana - father b.North Dakota,mother b.Indiana
Samuel - son - age 1 9/12 - b.Indiana - father b.North Dakota,mother b.Indiana

Any help in determining his parents and grandparents greatly appreciated.

Best Regards,
Bill Nulph
Houston,Texas