At Birkenau the Sonderkommandos reached up to 400 people by 1943, and when Hungarian Jews were deported there in 1944, their number swelled to over 900 persons to accommodate the increased rounds of murder and extermination.
En Birkenau, os Sonderkommandos acadaron as 400 persoas polo ano 1943, e cando os xudeus húngaros foron deportados alí en 1944, o seu número medrou até as 900 persons para dar acollida ás crecentes roldas de asasinato e exterminio.