The Hamburg brig GRASBROOK was built at Hamburg by Krohn in 1851/53, and was purchased by the Hamburg firm of Joh. Ces. Godeffroy & Sohn on 22 January 1853 [Bielbrief (certificate of registry) 1 April 1853]. 109 Commerzlasten; 102,4 x 27,8 x 15,9 Hamburg Fuß (1 Hamburg Fuß = .28657 meter), length x beam x depth of hold.

Masters:
     1853-1854 - T. D. Hagendefeldt
     1854-1855 - A. Geerk
     1855-1860 - H. Bruhns
     1860-1862 - J. T. S. Hansen
     1862-1863 - C. P. Tönnissen
     1863      - J. H. Falck
     1863      - P. W. Dieckmann

Voyages:
     1853/54 - Adelaide/Chanaral, Chile/Valparaiso
     1854/55 - Valdiva/Caldera, Chile/Chanaral
     1855/56 - Moreton Bay/Islay, Peru/Caldera/Valparaiso
     1856/57 - Pto. Montt/Valdiva/Valparaiso/Islay/Chanaral/Caldera
     1857/58 - Pto. Montt/Valdiva/Valparaiso/Huasco, Chile/Sta.Elena, Ecuador
     1858/59 - Adelaide/intermediate ports/Liverpool
     1859/60 - Cape of Good Hope/Sydney/Valparaiso/Liverpool
     1860/61 - Cardiff/intermediate ports/Rotterdam
     1861/62 - Moreton Bay/Valparaiso/Totoral, Chile/Caldera
     1862/63 - Cape of Good Hope/Adelaide/intermediate ports/Altona
     1863    - London/Apia

On 5 December 1863, the GRASBROOK stranded near Ameland; her wreck was later sold.

Sources: Walter Kresse, ed., Seeschiffs-Verzeichnis der Hamburger Reedereien, 1824-1888, Mitteilungen aus dem Museum für Hamburgische Geschichte, N. F., Bd. 5 (Hamburg: Museum für Hamburgische Geschichte, 1969), vol. 1, pp. 168-169.