Perhaps all is not lost on the name front; there was exactly one Sekonde-Lieutenant d.R. of Husaren-Regiment Nr. 17 in 1888 on the rolls of 2. Bataillon 3. Hessisches-Landwehr-Regiment (1. Cassel), re-named Landwehrbezirk I Cassel the same year. Herr Seeliger being the reserve officer in question.
Regards
Glenn