On 12 Jan 1491 a double wedding ceremony was held between the Este and Visconti families of Milan. Leonardo da Vinci orchestrated the celebrations.

Alfonso Este I Duke Modena (age 14) and Anne Sforza (age 14) were married fourteen years after their bethrothal.

Ludovico Sforza Duke Milan (age 38) and Beatrice Este (age 15) were married. The difference in their ages was 22 years.