On the 19th and 20 October, in 1587, at the Villa Medici in Poggio a Caiano, Grand Duke Francesco I and Bianca Cappello died. They may have been poisoned, but some historians believe they were killed by malarial fever. Now orphaned, Maria was considered the richest heiress in Europe.
on the 19th and 20 october in 1587 at the villa medici in poggio a caiano grand duke francesco i and bianca cappello died they may have been poisoned but some historians believe they were killed by malarial fever now orphaned maria was considered the richest heiress in europe