Warsaw, 10 May 1946. The investigating judge Halina Wereńko, delegated to the Commission for the Investigation of German Crimes in Poland, heard as a witness the person specified below. Having been advised of the criminal liability for making false declarations and of the importance of the oath, the witness was sworn and testified as follows:
| Name and surname | Lubomir Donten |
| Parents’ names | Stanisław and Julia née Geske |
| Date of birth | 17 July 1903 in Warsaw |
| Occupation | railway physician and a Pruszków insurance company physician |
| Education | doctor of all medical sciences |
| Place of residence | Pruszków, Kraszewskiego Street 13, flat 4 |
| Religious affiliation | Roman Catholic |
During the Warsaw Uprising, my family lived in Warsaw at Chmielna Street 13.
On 4 October 1944, as I had an ausweis [worker’s card] as a physician of the Dulag [transit camp] in Pruszków, I came to the house at Chmielna Street 13. The house was not burnt down, but the flat was pillaged. In my presence the German soldiers were pillaging the haberdashery in the front on the Chmielna Street side. All the doors stood open, there was a mess everywhere, but things from my flat (such as furniture) were not yet removed.
A week later I went to Warsaw again and I found that the house had been burnt down. Ceilings had collapsed, but there were no marks of artillery missiles on the house. Other houses in the neighborhood of no. 13 – almost the entire Chmielna Street – had not been burnt during the uprising, but were burnt by the Germans after the surrender of Warsaw and the evacuation of the people.
The report was read out.