Wulff joined the Royal Danish Navy as the family tradition prescribed.
[1] Like his parents and sister, Wulff was a close friend of the writer Hans Christian Andersen.
They exchanged many letters and Andersen stayed in his apartment at Amaliegade 37 in Copenhagen from 27 June to 24 August 1848.
[2] While stationed in Beaufort, North Carolina, Wulff contracted and died from yellow fever in 1856.
She herself would perish while traveling across the sea to visit her brother's gravesite in the tragic wreck of the steamship SS Austria in 1858.