Marinus Alfred de la Parra was married to Jansje Swijt. The couple had three children: Henry Jacques, Herman Marinus and a child who survived the war. The family lived in Paramaribo. After World War I, the family moved to Amsterdam. Marinus de la Parra studied medicine in Utrecht, where he sat for his medical finals on 27 November 1908. He specialized in dermatology and venereal diseases. Marinus …