Franciszek Ksawery Niesiołowski
... that Franciszek Ksawery Niesiołowski became a colonel at age 17?
... that <b id="mwB0Y"><a href="./Franciszek_Ksawery_Niesiołowski" id="mwB0c" rel="mw:WikiLink" title="Franciszek Ksawery Niesiołowski">Franciszek Ksawery Niesiołowski</a></b> became a colonel at age 17?