Jarmo Ahlstrand.
His research on Ylönens reach until ca. 1470 to Jussi Ylönen who
owned the Ylölänmäki farm in Kangasniemi, Kutemajärvi. All the Ylönens
in the Ylönen Family Book are related to this Jussi Ylönen, number 1 in the book.
Please, contact Jarmo directly on how he has worked on the genealogical studies
on Ylönen and some other families.
The first edition of Ylönen Family Book 1 has been sold out. You can get info on
the second edition from the secretary of Ylönen Family Society Jyri Ylönen. His
email is: ylonjy@tapio.jkmlk.fi