Henry I, Prince of Joinville, Duke of Guise, Count of Eu (
January 31,
1550 –
December 23, 1588,
Château de Blois), sometimes called Le Balafré, "the scarred", was the eldest son of
Francis, Duke of Guise and Anna d'Este. His maternal grandparents were
Ercole d'Este II,
Duke of Ferrara and
Renée of France.
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