In 1613 Philip Louis's eldest son converted to Catholicism and gained the support of Spain and the Catholic League while Brandenburg received the support of the Netherlands.
Aastal 1613 pöördus Philipp Ludwigi vanim poeg katoliiklusse ning sai abi Hispaanialt ja Katoliiklikult Liigalt, samas Brandenburg sai abi Madalmaadelt.