| Assen Hartenau | |
|---|---|
| Count of Hartenau | |
 Assen Hartenau in 1894 (aged 3–4) | |
| Born | 16 January 1890 Graz, Austria-Hungary |
| Died | 15 March 1965 (aged 75) Vienna, Austria |
| Spouse | Bertha Hussa-Lamos |
| Issue | Wilhelm Hartenau (adopted) |
| House | Battenberg |
| Father | Alexander of Battenberg |
| Mother | Johanna Loisinger |
Assen or Asen Hartenau[a] (16 January 1890 – 15 March 1965), in his early life styled as the Count of Hartenau, was an Austrian civil servant and the son of the deposed Bulgarian prince Alexander of Battenberg (r. 1879–1886).
- ^ Annuaire de la noblesse de France et des maisons souveraines de l'Europe (in French). Bureau de la publication. 1896. p. 77.
- ^ Stoyanovich, Peter (2022). Das Interregnum, die Bulgarische Krise und der Kampf um den Thron (1886 - 1887) (in German). LIT Verlag Münster. p. 103. ISBN 978-3-643-91232-9.
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