The links:
Denmark
Finland
Ends May 12, So hurry!
That's cool. There are a number of notables who need to be connected to the main tree, and those sources might help:
It is always free to research in Danmark and Finland. For instance www.ddd.dda.dk www.historie-online.dk/slaegtsforskning.htm www.ddd.dda.dk www.nsdb.dk http://findengrav.dk www.landsarkivetkbh.dk/oresund/slaegt/text/linksse/index.htm and Finland www.pronto.com www.zapmeta.se www.izito.se
As Finland many years belonged to Sweden you can find nobles in www.riddarhuset.se
You don´t go through My heritage.
So there is absolutely no possibility that MyHeritage could know something that the others don't ?
Here's what you need for research in Finland,
https://www.wikitree.com/wiki/Space:Finland_Project_Reliable_Sources
and some online books:
https://www.wikitree.com/wiki/Space:List_of_online_genealogical_books
The book page is a work in progress and you are welcome to add any genealogical books related to Scandinavian families that you find online for free.