Tynnelsö Castle
... that the medieval Tynnelsö Castle in Sweden was once given to a niece-in-law of Ukrainian hetman Ivan Mazepa?
... that the medieval <b id="mwCgM"><a href="./Tynnelsö_Castle" id="mwCgQ" rel="mw:WikiLink" title="Tynnelsö Castle">Tynnelsö Castle</a></b> <i id="mwCgU">(pictured)</i> in Sweden was once given to a niece-in-law of Ukrainian <a href="./Hetman" id="mwCgY" rel="mw:WikiLink" title="Hetman">hetman</a> <a href="./Ivan_Mazepa" id="mwCgc" rel="mw:WikiLink" title="Ivan Mazepa">Ivan Mazepa</a>?