He was a son of Count Otto I of Guelders, and is sometimes called Gerard IV or Gerard V. Gerard married Margaretha of Brabant, the daughter of Duke Hendrik I of Brabant and Matilda of Flanders, Duchess of Brabant, in 1206.
[citation needed] The chronicle of Johannes de Beke mentions that Gerard was killed in battle.
[1] Another source mentions that Gerard was killed in a battle at Zutphen in 1229.
[2] Gerard was a son of Count Otto I of Guelders and Richardis of Bavaria.
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