The St. John Genealogy Project
Origin and Ancestry DNA Database & Electronic Archive
| Name | Sainsfrida Seinfrie de Crepon | |
| Gender | Female | |
| Person ID | I105553897 | St. John Origin and Ancestry DNA Database | St. John Generation One - Raoul de Sancto Johanne |
| Last Modified | 31 Mar 2020 | |
| Father | Herfast de Crepon, King of Denmark | |
| Relationship | Birth | |
| Mother | Senfria Ericsdatter | |
| Relationship | Birth | |
| Family ID | F399547 | Group Sheet | Family Chart |
| Heraldry |  | Media (Log in) |
| Reference | Suzanne St. John. "Sainsfrida Seinfrie de Crepon". The St. John Genealogy Project. https://stjohngenealogy.com/getperson.php?personID=I105553897&tree=OSA0001 (accessed April 25, 2025). |
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