Gender: boy
School:
School #13A
The address at Rubenstrasse was listed first making me think it was the place he lived before deportation to Chelmno.
ANother potential child is Moszek Jakubowicz, born 15.10.1931, and lived at Blechgasse 12 12 and Blechgasse 15
For Moszek Jakubowicz the database says he dies on May 5, 1943, but not why or where.
Deportation on Sept. 12 1942 is in relation to Mosze Wolf Jakubowicz. The database said in the notes he was transfered to Chlemno.