On August 24, 1572, King Charles IV of France, under the influence of his mother, Catherine de Medici, ordered the assassination of Huguenot leaders in Paris. In what became known as the Saint Bartholomew’s Day Massacre, thousands of French Huguenots were killed in just a few days.
Jakob de Monte portrait of Elisabeth of Austria queen of France from Vienna kunstorisches museum
The Archduchess Elisabeth of Austria (1554-1592). She was a daughter of Holy Roman Emperor Maximilian II and his wife, The Infanta María of the Spains Archduchess of Austria. She was Queen of France (1570-1574) as the wife of King Charles IX. She had no surviving children.
Henry II of France. Henry II also had three illegitimate children: By Filippa Duci: Diane, duchesse d'Angoulême (1538–1619). At the age of fourteen, the younger Diane married Orazio Farnese, Duke of Castro, who died young in battle. Her 2nd marriage was to François, Duke of Montmorency. By Lady Janet Stewart (1508–1563), the illegitimate daughter of James IV of Scotland: Henri d'Angoulême (1551 – June 1586). By Nicole de Savigny: Henri de Saint-Rémy (1557–1621).