joan ii

All the Habsburgs of OTL descend from Ernst I ‘der Eiserne’, Archduke of Austria and his second marriage to Cymburgis of Masovia (who passed the genes for what later became the Habsburg lip and prognathism into the family). However, Ernst had two older brothers (discounting the Albertine line)...

If Joan, daughter of Louis X of France, claimant to Navarre and later Queen Joan II of Navarre, dies 1317-1327 then who claims Navarre? And how does this impact the HYW alliances if Charles IV dies as OTL? Would there be a stronger alliance of Burgundy and England? Especially if Ed III...