On 1 May 1865, Feilberg married Emma Alice Mac-Intine, a Scottish Indonesian with whom he had a daughter, Emma, in George Town, Penang.
Dne 1. května 1865 si Feilberg vzal Emmu Alici Mac-Intinovou, skotskou indonésanku, se kterou měli dceru Emmu v George Townu v Penangu.