 The widowed Ferdinand made an alliance with France in July 1505 and married Germaine of Foix, cementing the alliance with France.She was the granddaughter of his half-sister Queen Eleanor of Navarre and niece of Louis XII of France.Had Ferdinand's son with Germaine, John, Prince of Girona, born on 3 May 1509, survived, "the crown of Aragon would inevitably been separated from Castile" and denied his grandson Charles the crown of Aragon.