 Marcu moved to Transylvania with his mother, his wife (who was dead by 1618), and a daughter.In 1617, Bethlen officially presented him as his choice for Prince in either Moldavia or Wallachia, and expressed hopes that the Ottomans would endorse him.The following year, with Bethlen's tacit support, Lupu Mehedințeanu staged a rebellion against Wallachia's Alexander IV.