Regarding personal names: Until 1919, Graf was a title, translated as Count, not a first or middle name.
The female form is Gräfin.
In Germany since 1919, it forms part of family names.
Leopold Karl Walter Graf von Kalkreuth (15 May 1855 – 1 December 1928) was a German painter, known for portraits and landscapes.
Author: Source: Nicola Perscheid, Theodor und Jacob Hilsdorf, August Sander. Der rheinland-pfälzische Beitrag zur Geschichte der Photographie. Katalog Landesmuseum Mainz 1989. License: CC-PD-Mark PD-Art (PD-old-auto-expired) PD-old-100-expired