For Bloch Jessen there are 2 on Yasni with different names.
Among the most common last names on Yasni Bloch Jessen is on position 4525.
- South German nickname for a block or from the Polish: "Wloch"
- The source name to the place name "Jesse" - Vammen Jezzone (to 1267), by Jesin (to 1373), Yess (to 1427)