| Date | Person | Description |
|---|---|---|
| 1762 – 1773 | Hell, Maximilian | Between 1762 – 1773, Pilgram was assistant of Hell in Vienna and represented him during his absences |
| 1753 – 1773 | Hell, Maximilian | Between 1753 – 1773, Pilgram was assistant of Hell in Vienna and represented him during his absences |
| Poczobut, Marcin | Poczobut was student and assistant of Pézenas in Marseille | |
| Strzecki, Andrzej | Assistant in Vilnius | |
| 1770 – 1773 | Strzecki, Andrzej | From 1770 – 1773, Strzecki was the assistant of Poczobut |