Ellidshøj, Hornum, Ålborg, Danmark 1881 nr. 2 23 Februar 1881 Anders Christian Nielsen, døbt i Kirken 14 April 1881, Arbejder Jens Peter Nicolai August Nielsen og Hustru Johanne Marie Jensen, 20, 1 Pigerne Stine Sørensen, 2 Mette Marie Sørensen, 3 Gmd. Jens Christian Nielsen, 4 Ungkarl Christian Frederiksen, Alle i Ellidshøj 5 Ungkarl Hans Chr. Jørgensen Nørretranders. Fik 1905 23 November Navnebevis af Ålborg Birk og Fleskum Her. på Navnet: Anders Christian Guldbek (VA3268/1905)
LNAB is Nielsen - namechange 1905 to Anders Christian Guldbek - Many changed last name at that time, as there was a new namelaw. The new name was often an older family usename (tilnavn) but can be anything.
They were married 27 Dec 1902 in Vester Hassing, Kær, Ålborg, Danmark 1902 nr. 20 Marriage
See also Introduction to Genealogy Research in Denmark