- Profession: Mezzo-soprano.
- Relation to Mahler: Worked with Mahler on 10-03-1906 and 11-03-1906
- Correspondence with Mahler:
- Born: 00-00-1871 Utrecht
- Died: 15-02-1924 Utrecht
- Buried: 00-00-0000 Utrecht, Kovelswade Cemetery, DSC00142, with her husband.
Also: Lucie Adeline Justine Coenen, Lucie Heijkamp-Coenen, Koenen.
Married to Hendricus Heijkamp.
From Utrecht (Netherlands). Daughter of Cornelis Coenen. Musical education by Ms. Anna Fles, Mrs. Hutchinson (pupil of the famous Jenny Lind) and Mrs. Aaltje Noordewier-Reddingius (1868-1949) in Hilversum.
Successfully in oratorios and songs in The Netherlands, Germany, France and England.