[2] She was married three times, first to violinist Bjarne Gullov Larsen, second to singer and director Ulf Björkegren, and third time to violinist Josef Benczy.
[2] Her roles included "Helen" in Per Aabel's adaptation of de Caillavet and de Flers' comedy La belle aventure in 1952, and "Solveig" in Alfred Maurstad's staging of Ibsen's Peer Gynt in 1955.
[1] She made her debut concert as singer in Oslo University Aula in 1959, was assigned with Stora Teatern in Gothenburg from 1960 to 1964, and with the Royal Swedish Opera in Stockholm from 1964 to 1982.
Thallaug has also written the crime novel Den myrdede lever, under the name Edith Rolfsen, and published in 1950.
[1][2] She was decorated Knight, First Class of the Order of St. Olav in 1983.