Don Guglielmo Altieri

Parents

• Princess Mathilde of Urach
• Paolo Altieri, 8th Prince of Oriolo

Children

Siblings

• Don Marc'Antonio Altieri
• Don Marc'Antonio Altieri
• Don Clemente Altieri
• Donna Camilla Altieri
• Donna Maria Augusta Altieri
• Teodolinda Altieri
• Ludovico Altieri, 9th Prince of Oriolo