THE DATE BEHIND THE NAME

William, Count of Luxembourg

first of his family to use the title count of Luxembourg in his documents

William, Count of Luxembourg has incompatible recorded birth dates. The main Wikidata statement lists in 1078.

Born

in 1078

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

Died: April 24, 1131

Source:

No external source identified

Synchronized from Wikidata on October 5, 2026.

Professions
aristocrat

Incompatible birth dates

Sources disagree: in 1078 (No external source identified) or in 1081 (No external source identified).

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.

in 1081

Precision: year · Rank: normal

Original calendar: Julian. This broad date cannot be represented as a single Gregorian date; the original value is shown.

    No external source identified

    More about William, Count of Luxembourg

    Family

    Mother
    Clementia of Aquitaine
    Sibling
    Ermesinde of Luxembourg, Countess of Namur
    Sibling
    Gerard II, Count of Guelders
    Father
    Conrad I, Count of Luxembourg
    Sibling
    Henry III, Count of Luxembourg
    Child
    Conrad II, Count of Luxembourg

    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

    When did William, Count of Luxembourg die?

    William, Count of Luxembourg died on April 24, 1131.