Verhaal

YouTube memorial videos

Links given

Door: M S

YouTube memorial for Sara Sophia

https://www.youtube.com/watch?v=MbE0Zaq14tQ

YouTube memorial for Marcus Kellerman

https://www.youtube.com/watch?v=pd9vM5pJU5U

YouTube memorial to their son, Meijer Kellerman  (English spelling: Mayer, Hebrew Meir)

https://www.youtube.com/watch?v=fvjQv0pH138

Their son may have been named after his grandfather (although at the time of his birth, he was alive).  Meijer Kellerman was also tragically murdered at Sobibor in 1943.
YouTube memorial video: https://www.youtube.com/watch?v=gYFnv1H81hI