Maria Barbera Boissevain-Pijnappel (1870-1950)
- Profession: Lawyer, liberal-democratic senator in The Hague and Councilor in Amsterdam.
- Residences: Amsterdam, Blaricum.
- Relation to Mahler: No.
- Correspondence with Mahler:
- Born: 10-07-1870, Amsterdam, The Netherlands.
- Died: 24-11-1950, Blaricum, The Netherlands.
- Buried:
Maria Barbera Pijnappel (1870-1950) was married to Charles Ernest Henri Boissevain (1868-1940). 10-03-1906: Zuiderzee: Number 7. at a photo with Gustav Mahler. See Zuiderzee