 Spontone claims that Michael virtually adopted Marcu and intended to make him his son-in-law.By 1598, however, Cercel had promised to marry Gerolama, an Ottoman slave girl and niece of "Agha" Ömer, the influential eunuch.Michael's anti-Ottoman rebellion, and his entry into the Long Turkish War as an ally of the Holy Roman Empire, also resulted in Wallachia's conquest of Transylvania (October 1599).