João de Aviz

• 
• Born on June 3, 1537 in Évora
• Deceased on January 2, 1554 in Lisbon, at the age of 16 years

Parents

• João de Aviz, Jean III de Portugal (1502 - 1557), rei de Portugal
• Katharina von Habsburg (1507 - 1578), rainha de Portugal

Family

• Married in 1552, with Juana von Habsburg (1535 - 1573), issuing
  • Sebastião (1554 - 1578)