| Notes |
- Poznan Project
- "Deutschland, Preußen, Westpreußen, Katholische und Lutherisch Kirchenbücher, 1537-1981", database, FamilySearch (https://www.familysearch.org/ark:/61903/1:1:6ZMG-2NG8 : 8 February 2021), Theresia Rosentreter in entry for Albert Zadow, 1884.
- https://www.genealogiawarchiwach.pl/#query.query=Rosentreter&query.type=INDEX&query.page=3&query.suggestion=false&query.thumbnails=false&query.facet=true&query.asc=false&query.sortMode=PUBLICATION&personTree=false&goComments=false&searcher=big&externalmodal=256737503
- The teacher Albert Zadow (Catholic, born on January 31, 1859 in Freudenfier) and Theresia R (Catholic, born on February 25, 1861 in Abrau) married on February 8, 1884 in Tucholka. Her parents were August R and Anna Semrau.
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