 Complete the following phrase:  With the death of his wife, Isabella I, in 1504, Ferdid had to yield the government of Castile to his son-in-law Philip of Burgundy, who assumed power in the name of his wife Joanna, Isabellas heiress. Ferdid objected to Philips policies, and to prevent Philip from gaining Aragon through Joanna, he sought to have a male heir with a new wife. A new male heir would displace Joanna and by extension her husband from the line of succession. He negotiated with King Louis XII of France for a marriage, hoping 