Joachim was born in Constantinople on 30 January 1834, with Aromanian origin from Kruševo.

He is seen as one of the most prominent and important patriarchs of the twentieth century and modern times.

In his 1911 encyclical, Joachim III said that holding church services in the Aromanian language was against the teachings of the Eastern Orthodox Church and threatened clergy performing services in Aromanian with unfrocking and excommunication.

[2] Joachim III repeatedly attempted to find a solution to the Bulgarian schism, to little avail.

[3] Patriarch Joachim III was a Mason, a member of the «Πρόοδος» lodge.