In the Einschreibebuch Book of Registers of the Dobbertin Abbey, there are 13 entries for the daughters of the A(h)renstorff family for the years between 1723 and 1910 from Krümmel (Lärz), Sadelkow and Oyle in the Grafschaft County of Hoja for the admission into the noble community at the Dobbertin Abbey.
Buchwald's parents were August Detlev Friis (von) Buchwald (1830-1906), owner of the estate Friisholt, and Johanne Marie Charlotte von Arenstorff (1847-1901), and he belonged to and old a noble family from Holstein.