Cecilia Knudsdatter af Danmark–1131
- Name
- Cecilia Knudsdatter af Danmark
- Given names
- Cecilia Knudsdatter
- Surname
- af Danmark
| Death of a mother | Adele van Vlanderen April 1115 | 
| Death | after 1131 | 
| Family with parents | 
| father | Knud den Hellige af Danmark Birth: 1043 24 Death: 16 July 1086 — Sankt Albani Kirke, Odense | 
| mother | Adele van Vlanderen Birth: about 1065 30 30 Death: April 1115 | 
| herself | Cecilia Knudsdatter af Danmark Death: after 1131 | 
| Family with Erik Jarl af Falster | 
| husband | Erik Jarl af Falster Death: after 1145 | 
| herself | Cecilia Knudsdatter af Danmark Death: after 1131 | 
| daughter | Inger Eriksdatter Death: about 1157 |