This led to the Landshut War of Succession in 1503, in which the forces of Elisabeth and her husband Rupert were defeated.
In 1529, he successfully fought the Turks during the Siege of Vienna at the head of two regiments and was made a Knight of the Order of the Golden Fleece two years later.
This potential match was part of King Henry's plans of an alliance with the Protestant German Princes against the Emperor.
The Duke was both paternally and maternally her third cousin, sharing as ancestors Frederick II, Elector of Saxony, and Margarete of Austria.
Surprisingly, given their differing religious views, Lady Mary showed affection towards the Duke, as she kissed him out of court.