Scenario: Surviving Francis III, Duke of Brittany.
Francis I, King of France (b.1494: d.1547) m. Claude, Duchess of Brittany (b.1499: d.1524) (a), Eleanor, Archduchess of Austria (b.1498: d.1558) (b)
1a) Louise, Princess of France (b.1515: d.1517)
2a) Charlotte, Princess of France (b.1516...