[3] The group helped the British Special Operations Executive parachute weapons and supplies into Denmark for distribution to the resistance.

In March 1944 the Gestapo made an "incredible number of arrests" including in the region of Randers Fiil, his father the "nationally known folklore collector and keeper of Hvidsten inn Marius Fiil", his 17-year-old sister Gerda, his sister Kirstine and her husband brewery worker Peter Sørensen.

[4] The following month De frie Danske reported that several arrestees from Hvidsten had been transferred from Randers to Vestre Fængsel.

[5] On 29 June 1944 Fiil, his father Marius, his brother in law and five other members of the Hvidsten group were executed in Ryvangen.

[6] Six months later the January 1945 issue of the resistance newspaper Frit Danmark (Free Denmark) reported that on 29 June the previous year Fiil and seven other named members of the Hvidsten group had been executed.