She was educated at the progressive girls' school Døtreskolen af 1791, and was able to study the French language in Paris in 1861.
[2] Her mother belonged to the pioneer generation of the Danish women's movement of first wave feminism, and was one of the first members of the Dansk Kvindesamfund (DK) when it was founded in 1871.
Tagea and her sister Esther was introduced by their mother to Kvindelig Læseforening ('Women's Reading Club').
[2] In 1880, she resigned her assignments within the women's movement in order to enter a love marriage with a man she had known for ten years.
[2] The Tagea Brandt Rejselegat (Travel Scholarship) is a Danish award given annually on 17 March[3] to women who have made a significant contribution in science, literature or art.