Tostrup" received the title royal court jeweler, and Jacob Tostrup received the Norwegian King's Medal of Merit in gold ("Kongens fortjenstmedalje") and was appointed a Knight of the Royal Norwegian Order of St. Olav for his work as a goldsmith.In February 1839 he married Lina Hjorthøy (1821–1890), a granddaughter of priest and topographer Hugo Fredrik Hjorthøy.