[1] Märtha Leth was born 5 November 1877 in Jämshögs parish, Blekinge, Sweden, as the daughter of the pharmacist Fredrik Leth, who was the owner of Karlshamn's pharmacy.
[1] In the decades before Leth completed her degree, the widows of the apothecaries had been allowed to inherit the license of their late husbands (the first of whom to so was likely Maria Dauerer), but this was banned in 1873 when a personal license and a qualified education were first demanded.
[3] Märtha Leth married the pharmacist Johan Eric Hallbergsson and they had five children, born between 1901 and 1912.
The newspaper Svensk Farmaci published an article about the murder as well as the two pharmacists, Märtha and Johan Hallbergsson who lived above the pharmacy with their children and maid.
The murder case "received a lot of attention in the newspapers, and a fundraiser was launched among pharmacists to support the survivors.