Manuel Maurozomes
... that Byzantine aristocrat Manuel Maurozomes became the father-in-law of the Seljuk sultan Kaykhusraw I and helped him regain his throne?
... that <a href="./Byzantine_Empire" id="mwEQE" rel="mw:WikiLink" title="Byzantine Empire">Byzantine</a> aristocrat <b id="mwEQI"><a href="./Manuel_Maurozomes" id="mwEQM" rel="mw:WikiLink" title="Manuel Maurozomes">Manuel Maurozomes</a></b> became the father-in-law of the <a class="mw-redirect" href="./Seljuq_dynasty" id="mwEQQ" rel="mw:WikiLink" title="Seljuq dynasty">Seljuk</a> sultan <a href="./Kaykhusraw_I" id="mwEQU" rel="mw:WikiLink" title="Kaykhusraw I">Kaykhusraw I</a> and helped him regain his throne?