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A date. A name. A source.

THE DATE BEHIND THE NAME

Simon de Montfort, 5th Earl of Leicester

leader of the Albigensian Crusade

Simon de Montfort, 5th Earl of Leicester has incompatible recorded birth dates. The main Wikidata statement lists in 1165.

Born

in 1165

An exact age is omitted because the recorded dates are incompatible or not precise enough.

Died: July 2, 1218

Source:

Synchronized from Wikidata on October 5, 2026.

Professions
military leader
Citizenship
France

Incompatible birth dates

Sources disagree: in 1165 (Faceted Application of Subject Terminology) or in 1150 (biografiasyvidas.com).

The main date retains its own sources. These alternatives overlap neither all other statements nor the main date. Rank is Wikidata editorial priority, not proof.

More about Simon de Montfort, 5th Earl of Leicester

Family

Spouse
Alix de Montmorency
Child
Amaury VII de Montfort
Child
Simon de Montfort, 6th Earl of Leicester
Sibling
Guy de Montfort, Lord of Sidon
Child
Guy de Montfort, Count of Bigorre

All birth date sources

A source is P248 “stated in” or a non-Wikimedia reference URL. Import-only references do not qualify.

Synchronized from Wikidata on October 5, 2026. View Wikidata record

Questions people ask

When did Simon de Montfort, 5th Earl of Leicester die?

Simon de Montfort, 5th Earl of Leicester died on July 2, 1218.