Poppo II, Margrave of Carniola
He married Richgard (lt: Richardis), daughter of Count Engelbert of Sponheim (de), who governed Istria until his death on 1 April 1096. According to the 1170 Historia Welforum chronicle, Poppo and Richgard had two daughters:
- Sophia of Istria (d. 1132), married Count Berthold II of Andechs, mother of Margrave Berthold I of Istria (1110/1122–1188)
- Hedwig, married firstly Count Herman I of Winzenburg and secondly Count Adalbert II of Bogen.
| Margrave of Carniola
| Margrave of Istria