 His elder brother Ludvig Mariboe Benjamin Aubert (1838-1896) was a jurist and professor.His sister-in-law was novelist Elise Aubert (1837- 1909).He was married to Martha Johanne Védastine Moe (1855–1933), becoming the son-in-law of Bishop Jørgen Moe (1813-1882) and brother-in-law of writer Moltke Moe (1859-1913).