Adelaide II, Abbess of Quedlinburg
| Adelaide II | |
|---|---|
Tombstone of Princess Adelaide II | |
| Princess-Abbess of Quedlinburg | |
| Reign | 1063 – 11 January 1096 |
| Predecessor | Beatrix I |
| Successor | Eilica |
| Born | 1045 Goslar (?), Saxony |
| Died | 11 January 1096 (aged 50–51) Quedlinburg, Saxony |
| Burial | |
| House | Salian dynasty |
| Father | Henry III, Holy Roman Emperor |
| Mother | Agnes of Poitou |
| Religion | Roman Catholic |
Adelaide II (German: Adelheid; 1045–1096) was a member of the Salian dynasty and powerful abbess of Gandersheim and Quedlinburg from 1063 to 1096. As daughter of Henry III, sister of Henry IV, and half-sister to Beatrice I, she had an important role in the German monarch and the religious revolution, the Investiture Controversy.