NECKEL, Hannah. 18?? — 19??. According to her only known publication she was “Frau in Heidelberg.” Most probably she was Hannah Neckel (née von Wink). Wismar 23.4.1881 — Berlin 22.2.1968. She married 1904 Dr. Gustav Neckel, who was then Oberlehrer in Breslau until 1911, from 1909 also PD at Breslau University (where Hillebrandt was Professor). From 1913 he was ao. Professor at Heidelberg and 1920-40 ord. for Germanistics and Nordic languages at Berlin. They had two daughters.
Publications: “Ein Bruchstück aus Kālidāsa’s Kumārasambhava”, Fs. Hillebrandt 1913, 121-143.
Sources:  Husband in http://wolfhard.neckel.info/wp-content/uploads/2020/03/57-Gustav-Neckel.pdf.