Hjalmar Schacht | Hjalmar Peterson | Hjalmar Petersen | Per Karl Hjalmar Dusén | Hjalmar Stolpe | Hjalmar Johansen | Hjalmar Stolpe's tombstone in Solna Church | Hjalmar Selander | Hjalmar Frisell | Hjalmar Christensen | Hjalmar August Schiøtz | Hjalmar Andersen | Gösta Hjalmar Liljequist | Bólu-Hjálmar | August Hjalmar Edgren |
Demant had a close relationship and friendship with the Swedish geologist and chemist Hjalmar Lundbohm whom she met in Jukkasjärvi in 1907.
After her return to Sweden in 1889, she was active as a painter until about 1900, mostly of portraits, such as those of Lisen Bonnier (her sister-in-law) as convalescent, industrialist Hjalmar Lundbohm, politician Moritz Rubenson, educator Carl Jonas Meijerberg and poet and scholar Oscar Levertin.