Gerard of Teisterbant
Count of Teisterbant in Guelderland
Vassal of the Bishop of Utrecht
Nicknamed ' Flamens '
Brother of Count Rutger I of Cleves
Born (c995) perhaps in Lorraine - Died (after 1053)

His parentage remains unknown as does the identity of his wife
Children :

• Dietrich of Teisterbant
• Goswin I of Heinsberg
• Heinrich I of Krieckenbeck (c1065 - 1138) - children