Parents, grandparents, great grandparents, siblings etc can be found using free searches at https://familysearch.org/
US Census, 1930 Oxford, Maine
https://familysearch.org/pal:/MM9.1.1/XMD3-ZDH
head Leon W Bennett M 44 ME
wife Gertrude A Bennett F 33 MA
son H Russell Bennett M 8 NH
dau Milicent L Bennett F 2 ME
U S Census, 1910, Lincoln, Oxford, ME
https://familysearch.org/pal:/MM9.1.1/MR3Z-8F2
self Horace G Bennett M 63y ME abt 1847
wife Hattie J Bennett F 48y NH abt 1872
son Lion G Bennett M 24y ME
dau Lowes L Bennett F 18y ME
U S Census, 1900 ED 183 C Surplus, Lynchtown, Parkertown & Richardson Townships, Township C, Townships 4-5 Ranges 2-6,, Oxford, ME
https://familysearch.org/pal:/MM9.3.1/TH-266-11552-63251-63?cc=1325221&wc=MMPN-GKN:n1818069122
head Horace Bennett M 51 b June 1849 ME
wife Hattie Bennett F 28 b Oct 1872 NH
son Leon W Bennett M 15 b July 1885 ME
dau Lois L Bennett F 9 b. Dec 1891ME
self Harry B Penock M 36y VT
wife Ethel A Penock F 38y ME
son Allon H Penock M 7y ME
dau Hazel J Penock F 6y ME
dau Verna E Penock F 4y ME
dau Perl H Penock F 1y 1m ME
moth Luella L Penock F 66y VT
New Hampshire, Marriage Records
https://familysearch.org/pal:/MM9.1.1/FD2N-18M
Horace S. Bennett
Marriage 19 Nov 1884 Gorham, , NH
age: 35 est birth 1849 birthplace: N. 5 Range, ME
father: Peter Bennett mother: Betsy J. Lambert
spouse: Harriet S. Pennock
spouse's age: 22 est birth 1862 Bloomfield, VT
father: Franklin Pennock ( mother Luella)