Her son Henry Plate b.11 May 1908 d.1987. He and wife Dora had a bakery in San Fransisco.
a typewritten Family Tree I believe to have been prepared by Lucille (Siebe) Wetzel, appears to have used the handwritten Ahnenfolge from Germany for the earliest entries, then added the more current descendents
It may be possible to confirm family relationships with Margaretha by comparing test results with other carriers of her mitochondrial DNA.
However, there are no known mtDNA test-takers in her direct maternal line.
It is likely that these autosomal DNA test-takers will share DNA with Margaretha: