Grethe Bartram (Maren Margrethe Thomsen) — Danish wartime informer

Wartime activities

Bartram's actions during the occupation led to the arrest of many people involved in resistance work. Contemporary accounts and postwar investigations identified her as responsible for informing on at least 53 people, a number that has been widely cited in later summaries of the case. The information she provided reportedly contributed to the disruption of early communist-oriented resistance groups and to the deportation of some members to German custody and concentration camps. Sources note that among those she betrayed were people from her own circle, including close relatives.

Arrest, trial and sentence

After liberation several collaborators in Denmark were investigated and prosecuted in a national legal process that addressed war crimes and collaboration. Bartram was arrested and tried in this context. She was initially sentenced to death, a penalty handed down in a number of the most serious collaboration cases at the time, but that sentence was later commuted to life imprisonment. In the mid-1950s she was released from prison and subsequently left Denmark.

Later life

Following her release, Bartram moved to Sweden and lived in the province of Halland under her married name. Her change of residence and anonymity in later life attracted public interest when her wartime role remained part of historical discussion. Her death was announced on 31 January 2017; she was reported to have been 92 and to have died at home in Halland. For more on the Danish resistance she affected, see the Danish resistance, and for information about the region where she later lived, see Halland.

Legacy and controversies

Bartram's case continues to provoke debate about motives, responsibility and the nature of collaboration under occupation. Explanations offered over the years for why individuals informed on resistors include coercion by occupying forces, personal motivations, opportunism, or political alignment; in many postwar trials the courts sought to distinguish degrees of culpability. Her story is frequently cited in discussions of postwar justice in Denmark and in broader histories that examine how occupied societies dealt with collaborators and how collective memory treats those cases decades later.

Key points

• Born Maren Margrethe Thomsen in 1924; commonly called Grethe Bartram.
• Credited with informing on dozens of members of the Danish resistance during WWII.
• Convicted after the war, initially sentenced to death; sentence later reduced and she was released in the 1950s.
• Moved to Halland, Sweden, where she lived until her death in 2017.