Engelbert I of Sponheim

margrave of Istria (1100–1096)

Parents

• Richgard of Lavant
• Siegfried I of Sponheim

Children

• Bernhard von Trixen
• Henry IV of Sponheim
• Hartwig I. von Spanheim
• Engelbert, Duke of Carinthia
• Richardis of Sponheim

Siblings

• Hermann von Spanheim
• Hartwig of Spanheim

Partners

• Hedwig