 In 1866 Guldberg went to Kaiserswerth, (Germany) to educate herself as a nurse and deaconess.She visited the Lutheran religious community at Kaiserswerth-am-Rhein, where she observed Pastor Theodor Fliedner and the deaconesses working with the sick and the deprived.Kaiserswerther Diakonie had been founded by Theodor Fliedner and his wife Friederike in 1836.