Johannes Olsen abt 1753 Eidsberg, Østfold

I would like to trace this mans family back further in time. 1801 Census has he and his wife Helena Larsdatter and his mother Gunhild Jonsdattter. https://www.digitalarkivet.no/en/census/person/pf01058203001387 A family tree on Ancestry has these people for his mother and father. Ole Halvorsen Elgetun 1717–1788 BIRTH ABT 1717 • Naeringsrud, Eidsberg, Ostfold, Norway DEATH 2 NOV 1788 • Eidsberg, Ostfold, Norway Gunild Jonsdatter 1708–1801 BIRTH 1708 • Eidsberg, Østfold, Norway DEATH 2 APR 1801 • Eidsberg, Østfold, Norway Add MyTreeTags™ A little proof from a Bygdebok would be useful