Tirohia te wāhanga i raro nei, kātahi ka whakautu i te pātai i muri mai i te reo kotahi me te wāhanga:  Ko Christian von Steven (Russian - Khristian Khristianovich Steven; 19 Hanuere 1781, i Fredrikshamn, Finland <unk> 30 Paenga-whawha 1863, i Simferopol, Crimea) he tohunga tipu me te tohunga koiora a Ruhia i whanau mai i Finland.  Pātai: Āhea i mate ai a von Steven?
30 Paengawhāwhā 1863