- Marriage law1
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- Matthias I, King of Hungary, 1443-14901
- Mayenne, Charles de Lorraine, Duc de, 1554-16111
- Medici, Bernardo de'1
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- Medici, Lorenzo di Pierfrancesco de', 1463-15031
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- Medina Sidonia, Alonso Pérez de Guzmán, duque de, 1550-16191