According to Bahlow's description, Pittroff is described as follows (be aware that B and P are interchangeable by sound, as are F and V) Pittroff: Bavarian/Auatrian see Bitterolf. A Meinhardus filius Pitrolft (son of Pitrolfus) in Austria on the Ems as early as 1220. The name means nothing less than "bitter" (a bitter or shart-tongued person) expanded by means of the personal ending -olf. Maureen