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Basically, what if Louise of Lorraine doesn't undergo a miscarriage in 1576 and instead has a healthy child. And now they have many children. What are the effects in France upon his assassination (if it still happens ITL) and where does Catherine de Medici fit into the lives of her grandchildren?
Henri III of France (b.1551: d.1589) m. Louise of Lorraine (b.1553: d.1601) (a)