Notes

Doctor of philosophy.

Parents: Karl Ludwig Borckenhagen and Margarete Clara geb. Kapp.

At the time of the 1939 census Elisabet and Martin were at home with Wilhelm and Fritze Wilhelm; Hermine was staying with Fritze's mother.

Sources (click here for generic source information)

Felix Auerbach's 1905 Silbergliet - Nothmann tree;
mappingthelives.org - 1939 census: Wilhelm;
mappingthelives.org - 1939 census: Fritze;
mappingthelives.org - 1939 census: Elisabeth;
mappingthelives.org - 1939 census: Martin;
mappingthelives.org - 1939 census: Hermine
mappingthelives.org - 1939 census: Grete Borckenhagen geb. Kapp.