For Grotjan there are 5 on Yasni with different names.
Among the most common last names on Yasni Grotjan is on position 4522.
In our family is (or was) an old document from, I think, 17 Century. It was probably at that time a Dutch merchant who owned a cog was in and his name was the grote Jan, what has aso as the great means in January.
(Sent from: Babette Grotjan)
