In 1909 he completed his school career with the exam at the gymnasium.[1]
In World War I, Heinrich fought with the 74th Infantery Regiment (Infanterie-Regiment 74). After he was declared missing in October 1914,[2] it took until March 1916, for him to be reported captured as a prisoner of war.[3]
Together with fellow inmate Emil Hercher from Black Forest and maybe a third soldier, he managed to escape from the French prison. Emil and Heinrich remained in contact.[4]
He became partner at his father's pharmacy in 1920.[5]
In 1936 he took over the Adler pharmacy entirely,[6] after his mother and his sister had continued it due to his fathers death in 1933.[7]
in 1963 the pharmacy was sold to Albert Niemöller,[8] Heinrich's son in law.[9]
Research Notes
He was not found in the Protestant baptism book on FamilySearch microfilm 590886 between his parents wedding in 1887 and the end of the film (skipping 9 months after the birth of each sibling). --Straub-620 04:36, 22 April 2024 (UTC)
Or is he identical with Adolf Florens Heinz Siever, born 12 June 1890?[10]
Reifeprüfung. Gestern fand unter dm Vorsitz des Herrn
Provinzialschulrats die Reifeprüfung der hiesigien Realgymna-
sialabiturienten statt. Von 14 Oberprimanern wurden 10 das
Reifezeugnis ausgesellt, 3 davon waren vom Mündlichen dis-
pensiert. (!) Die Prüfung bestanden [...]
[...] Heinrich Siever (Apotheker) ...
↑ Zentralhandelsregisterbeilage zum Deutschen Reichsanzeiger und Preußischen Staatsanzeiger zugleich Zentralhandelsregister für das Deutsche Reich, 10 September 1936 (scan):
Dessen Schwiegersohn, Albert Niemöller, ist Lebensmittelchemiker und Apotheker. Zwischen 1964 und 1996 leitet er die Geschicke an der Wilhelmstraße;
↑Baptism Adolf Florens Heinz Siever (Protestant): "Kirchenbuch", Catalog: Kirchenbuch Taufen (Stadt) 1887-1893; Film number: Film Nr. 008642568 > image 204 of von 372, FamilySearch Image: 3Q9M-C3HP-5QPR (accessed 22 April 2024)
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