I just ran across your inquiry and spent a few hours looking up information on the Dreyers. Here is what I have found.
All persons in the household
Svendborg, Sunds, Svendborg Købstad, Broegade nordre Side, , , 50 F1, FT-1850
Name: Age: Marital status: Occupation in household: Occupation: Birth place:
Carl Leopol Dreyer 39 Gift Lysestøber Hohenholm Slesvig
Cathrine Dorothea Lüsing 23 Gift Kone Fellingsted Sogn Nor Ditmarsken
Carl Johan Dreyer 4 Ugift Sønner Aalborg
Frederick Carl Christian [Dreyer] 1 Ugift Sønner Svendborg
Maren Christensen 22 Ugift Tjenestepige Faaborg
Marius Carl Johan Dreyer was born on 17 Sep 1846 to unmarried Catharina Dorothea Lüsing and Carl Leopold Dreyer. He was baptized in Vor Frue, Aalborg on 26 Sep 1846.
Carl Leopold Freyer, 39 3/4, was married to Catharina Dorothea Lüsing, 21 1/2, on 7 Aug 1849 in Frørup, Svendborg.
Frederik Carl Christian Dreier was born on 5 Oct 1849 to Carl Leopold Dreier and Cathrine Dorthea Lysing. He was baptized in Vor Frue, Sunds, Svendborg on 2 Mar 1850.
I hope this helps.