 He despised his second son and successor, John William, and gave him little chance to learn to govern and thus contributed to the disaster that befell his duchies.When William died in 1592, John William inherited the duchies and Jakobea tried to rule on behalf of her husband, who had been locked up because of his temper tantrums.She had been born a Protestant, but was raised as a Roman Catholic and did not choose for either side.