Here is another article courtesy of Roger Laske. Because of space, I was not able to put the pages of sources, but there are many. This is a well-documented article. My Ulfik family lives in the neighbor village of Koschentin/Koszecin. To better read this article, please click on them to enlarge. If it isn't large enough, on the lower right of most computers on the lower tool bar area it probably says "100%". By clicking that down-arrow, you can also increase size. This was also an article in the PGSM publication the Polish Eaglet.