De Blankenheim was a volunteer who came to Congress Poland to participate in the anti-Russian rebellion. In March 1863, he was named commandant of a rebel unit, created by the Działyński Committee from Poznań. De Blankenheim participated in fighting in Kujawy, and he was killed in action in Nowiny Brdowskie on April 29, 1863. His body was buried in a parish cemetery in Brdów, while a monument dedicated to him and other rebels was erected in Nowiny Brdowskie.
Sources
Powstanie styczniowe i zeslancy syberyjscy. Katalog fotografii ze zbiorow Muzeum Historycznego m. st. Warszawy, t. I, Warszawa 2004
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