THE DATE BEHIND THE NAME

John I, Count of Hainaut

John I, Count of Hainaut was born on May 8, 1218 in Houffalize, Belgium and died on December 31, 1257, aged 39.

Born

May 8, 1218

John I, Count of Hainaut died aged 39.

Died: December 31, 1257

Source:

No external source identified

Synchronized from Wikidata on 2026-10-05.

Original calendar: Julian. Displayed date is Gregorian.

Birthplace
Houffalize, Belgium
Professions
politician

More about John I, Count of Hainaut

Zodiac sign
Taurus

Family

Sibling
Guy
Child
John I of Hainaut
Sibling
Baldwin of Avesnes
Spouse
Adelaide of Holland
Child
Florent of Hainaut
Sibling
William II, Count of Flanders
Mother
Margaret II, Countess of Flanders
Father
Bouchard IV of Avesnes

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 2026-10-05. View Wikidata record

Questions people ask

How old was John I, Count of Hainaut when they died?

John I, Count of Hainaut died aged 39.

When is John I, Count of Hainaut’s birthday?

John I, Count of Hainaut’s recorded birthday is May 8.

Where was John I, Count of Hainaut born?

John I, Count of Hainaut was born in Houffalize, Belgium.

When did John I, Count of Hainaut die?

John I, Count of Hainaut died on December 31, 1257.