ministeriales
...that ministeriales formed the core of the knightly class in the 15th-century Germany?
...that <b id="mwig"><a class="mw-redirect" href="./Ministeriales" id="mwiw" rel="mw:WikiLink" title="Ministeriales">ministeriales</a></b> formed the core of the <a href="./Knight" id="mwjA" rel="mw:WikiLink" title="Knight">knightly</a> <a class="mw-disambig" href="./Class" id="mwjQ" rel="mw:WikiLink" title="Class">class</a> in the <a class="mw-redirect" href="./15th-century" id="mwjg" rel="mw:WikiLink" title="15th-century">15th-century</a> <a href="./Germany" id="mwjw" rel="mw:WikiLink" title="Germany">Germany</a>?