Erik was the son of Harald Gormsson but his mother is unknown. The date and place of his birth have not been found.
Harald Gormsson |
Gorm III Knudsson |
Harthaknut Sigurdsson |
+ | |||||
Tora Sigurdsdottir av Denmark |
||||||||
Thyra III Klaksdotter |
Harald Klakk Halvdansson |
|||||||
Sigrid Helgesdotter |
||||||||
| | | ||||||
| ||||||||
| | |||||||
|