Agnes of Cleves lady of Heinsberg (1220-1267) (1220–1267) Parents Isabelle van Limburg Dirk I van Valkenburg Children Isalda of Heinsberg Dirk II of Heinsberg Johann I von Heinsberg Aleida of Sponheim Siblings Engelbert II of Valkenburg Mechtild von Kleve Heinrich von Falkenburg Dirk II van Valkenburg Partners Henry I of Heinsberg