Edward Gram

In 1799 the property was acquired by wholesaler Edvard Gram (1769-1858). He heightened the building with one floor in the same year. At the time of the 1801 census, he resided in the building with his 17-year-old wife Christiane Bech, four employees in his grocery business, a caretaker, a coachman and two maids.^[2]

In the new cadastre of 1806, the property was again listed as No. 16. It was by then still owned by Gram. Gram was appointed both as Kammerråd and Swedish consil-general.

Peter Christian Knudtzon

Peter Christian Knudtzon

In the early 1820s the property was acquired by the general trader (grosserer) Peter Christian Knudtzon.

The merchant Hans Puggaard and his wife Bolette, a painter, resided in the building in 1826 but moved to Nyhavn 42 the following year. They socialized with many of the leading artists of the day. Their daughter Maria, who was only three years old at the time, would later marry the politician Orla Lehmann . Søren Henrik Petersen (1788–1860), a printmaker, was for a while also among the residents.^[3]

Knudtzon's property was home to 11 residents in two households at the 1834 census. Peter Christian Knudtzon resided on the second floor with his son Jess Nicolaj Knudtzen (then in Spain) and one maid.^[4] Niels Høeg Husted (c. 1793-1835), another wholesaler (grosserer), resided on the first floor with his wife Rosaline Sophie Husted, three employees in his wholesale business, one male servant and two maids.^[5] Rosaline Sophie Husted was in her first marriage the mother of the opera singer Ida Wulff. In 1831, she had married the military officer and later postmaster Ernst Frederik von Holstein.

The property was home to 14 residents in three households at the 1840 census. W. Holtmann, a senior clerk, resided on the ground floor with grocer Chr. Anton Jørgensen, grocer Hans Christian Huus and one maid.^[6] Peter Christian Knudtzon was now residing on the first floor with his wife L. Knudtzon, one male servant and one maid.^[7] P. S. Giessing, a broker, resided on the second floor with his wife C. C. Giessing, his son Søren Sommer Giessing, his niece Sophie Gotlibsen and one maid.^[8]

Knudtzon went bankrupy in the early 1840s. He therefore had to sell the property. A few years later, with capital from his brothers ijn Norway, he was able to construct the corner building at Nyhavn 47. His son Frederik Gotschalk Knudtzon (1843-1917) mentions the building in his memoirs.^[9]

1845–1900

The property was home to 35 residents in four households at the 1850 census. Christian von Lövenfeldt (1803-1866), a kammerjunker and captain in the 1st Livjæger Corps, resided on the ground floor with his wife Camilla Adellaide (née Glahn), their three children (aged three to 11), one male servant and two maids.^[10] Isaac Salemonsen, a textile manufacturer, resided on the first floor with his wife Hannshen Salomsen, their eight children (aged nine to 20), the widow Amalie Salomonsen , the visitor Henriette Salemonsen, a governess and two maids.^[11] P. S. Giessing, who now worked as a painter, resided on the second floor with his wife, office clerk Thedor Blankenstein, one male servant and one maid.^[12] Seyer M. Jürgensen, a skipper, resided in the basement with his wife Christiane Frederikke (née Bede), their two children (aged two and four), two maids and one lodger.^[13]

Hans Georg Worm's wholesale company H.G. Worm & Co. was from its foundation in 1865 based on the second floor of the rear wing. The company was responsible for distributing match boxes from Jönköping Tändstickfabrik in Sweden. By 1875, H. C. Worm & Co. sold a total of 9.7 million match boxes, many of which were exported to North and South America.^[14] Thorvald Giessing operated another wholesale company from the No. 31 in the years 1877–1918.^[15] Christian Gelert's wholesale business was from 1888 to 1901 based in the building.^[16]

20th century

JNyhavn 31-

A/S Oscar Frønckel & Co.'s Bogtrykkeri, a book printing business founded at Store Kongensgade 81 in 1916, was from 1918 based in larger premises at Nyhavn 31.^[17]

The building was listed by the Danish Heritage Agency in the Danish national registry of protected buildings in 1945. It was restored by the architect Alfred Homann in 1981. The building has both housed the Royal Danish Theatre's administration while the building on Kongens Nytorv was refurbished and the Danish Library Agency. In 2010–11, CFP Groupe purchased the building and converted it into apartments.^[18]