Engelbert I of Sponheim margrave of Istria (1100–1096) Parents Richgard of Lavant Siegfried I of Sponheim Children Henry IV of Sponheim Hartwig I. von Spanheim Bernhard von Trixen Engelbert, Duke of Carinthia Richardis of Sponheim Siblings Hermann von Spanheim Hartwig of Spanheim Partners Hedwig
