Check if "Marstens" is a registered kennel or farm prefix.
If you are filling out the "Sire" and "Dam" sections of the paper, check these common registries where M.J. Marstens might be listed: For Thoroughbred racing horses. Bred by M.J. Marstens
Ensure the birth year on your draft matches the breeder's active records. Check if "Marstens" is a registered kennel or farm prefix
If referring to a specific dog lineage.
To finalize the paperwork, ensure you have these four components: Bred by M.J. Marstens
Usually a 3-generation or 5-generation tree showing the sire (father) and dam (mother).