Complex sentence: He followed his grandfather Charles I, Duke of Mantua in 1637 as ruler of these lands, the first 10 years under regency of his mother Duchess Maria.on March 22 1657 Charles II receives the appointment as Sosai Cesareo in Italy and Imperial Vicar.
Split into simpler sentences: He followed his grandfather Charles I, Duke of Mantua in 1637 as ruler of these lands, the first 10 years under regency of his mother Duchess Maria. On 22 March 1657 Charles II receives the appointment as Sosai Cesareo in Italy and Imperial Vicar.