Bianca Riario
... that Italian noblewoman Bianca Riario acted as a substitute mother in the early 1500s to her half-brother, the celebrated Giovanni dalle Bande Nere, while her own mother was in prison?
... that <a href="./Italy" id="mwEh0" rel="mw:WikiLink" title="Italy">Italian</a> noblewoman <b id="mwEh4"><a href="./Bianca_Riario" id="mwEh8" rel="mw:WikiLink" title="Bianca Riario">Bianca Riario</a></b> acted as a substitute mother in the early 1500s to her half-brother, the celebrated <a class="mw-redirect" href="./Giovanni_dalle_Bande_Nere" id="mwEiA" rel="mw:WikiLink" title="Giovanni dalle Bande Nere">Giovanni dalle Bande Nere</a>, while her own mother was in prison?