Gender: boy
School:
School #2
What I did to find his parents was go throught the inhabitant records from the first part of research and then I went though all of the results with the same last name with a birth date between 1880 and 1905 since that seems like a good age range for his parents. After gAfter finding a few results, I narrowed it down to those who had the same address as him in the ghetto, as these were likely his parents. I found out that they were from Warta before the war after finding archives with marriage information containing both of their names and the same birthdates; however I believe that Josef and his siblings were not from Warta, his parents only live there before the children were born.