THE DATE BEHIND THE NAME
William IX, Marquess of Montferrat
Marquess of Montferrat
William IX, Marquess of Montferrat was born on August 19, 1486 in Pontestura and died on October 14, 1518, aged 32.
August 19, 1486
William IX, Marquess of Montferrat died aged 32.
Died: October 14, 1518
Source:
No external source identified
Synchronized from Wikidata on October 5, 2026.
Original calendar: Julian. Displayed date is Gregorian.
- Birthplace
- Pontestura
- Professions
- ruler
- Citizenship
- Byzantine Empire
More about William IX, Marquess of Montferrat
- Zodiac sign
- Leo
Family
- Spouse
- Anne d'Alençon
- Father
- Boniface III
- Mother
- Marija Branković
- Sibling
- John George, Marquess of Montferrat
- Child
- Boniface IV, Marquess of Montferrat
- Child
- Margaret Paleologa
All birth date sources
A source is P248 “stated in” or a non-Wikimedia reference URL. Import-only references do not qualify.
No external source identified
Synchronized from Wikidata on October 5, 2026. View Wikidata record
Questions people ask
How old was William IX, Marquess of Montferrat when they died?
William IX, Marquess of Montferrat died aged 32.
When is William IX, Marquess of Montferrat’s birthday?
William IX, Marquess of Montferrat’s recorded birthday is August 19.
Where was William IX, Marquess of Montferrat born?
William IX, Marquess of Montferrat was born in Pontestura.
When did William IX, Marquess of Montferrat die?
William IX, Marquess of Montferrat died on October 14, 1518.