Parents
Sign in to add mentor| Valentin Thau | grad student | 1562-1565 | Leipzig University |
| Caspar Peucer | grad student | 1566 | Leurocea Universität Wittenberg (Neurotree) |
Children
Sign in to add trainee| Ambrosius Rhodius | research assistant | 1600-1601 | Prague |
| Adriaan Metius | grad student | Leiden | |
| Paul Wittich | grad student | 1580 | Leipzig University |
| Willebrord Snell van Royen (Snellius) | post-doc | 1600-1601 | Prague (Physics Tree) |