under the Angeloi dynasty
...that every Byzantine Emperor under the Angeloi dynasty was overthrown in a violent coup d'état?
...that every Byzantine Emperor <b id="mwBl8"><a class="mw-redirect" href="./Byzantium_under_the_Angeloi" id="mwBmA" rel="mw:WikiLink" title="Byzantium under the Angeloi">under the Angeloi dynasty</a></b> was overthrown in a violent coup d'état?