 Complete the following phrase:  Mihai, who was also recognized as a Cup-bearer, stated a claim to his share of the Coiani inheritance, demanding in particular 4,000 Goldgulden pledged by the Empire to his maternal grandmother, Elena Șerban. He was still attached to Vienna, with Ferdid III forcefully keeping him on his entourage and considering him for the throne of Transylvania. In 1643, he was trying to instigate a pro-Habsburg rebellion among the Romanians of Transylvania. This prevented Prince Matei, whose sons Matei II and Mateiaș had both died, from adopting Michael the Greats grandson. In 1654, formally released from Austrian service, Mihai made a final effort to regain Wallachia, counting on assistance from the 