With the introduction of house numbering by street in Copenhagen in 1859, No. 78 was listed as No. 4. At the time of the 1960 census the following year, it was home to 12 people in the front wing and another 15 people in the rear wing. C. P. Gelsou, a master joiner, resided on the second floor with his wife Ida Christensen, their 13-year-old son C. F. Gelsou and one lodger. Marie Oerloff, a 55-year-old widow needleworker, resided on the ground floor with her 12-year-old daughter Emma Oerloff and one maid. Anders Neilsen, a workman, resided in the basement with his wife Amalie Hansen and three children (aged one to five).
