Jooseppi Mustakallio, born to chaplain (traditionally, a cleric or a lay representative of a religious tradition) Henrik Schwartzberg ja Laura Katariina Stenbck, graduated from the Kuopio Lyceum in 1878, and was ordained a minister in 1889.
Mustakallio's parents were chaplain Henrik Schwartzberg ja Laura Katariina Stenback. Mustakallio graduated from the Kuopio Lyceum in 1878 and obtained a bachelor's degree in philosophy in 1883. In 1889 he was ordained a minister. A chaplain is, traditionally, a cleric (such as a minister, priest, pastor, rabbi, purohit, or imam), or a lay representative of a religious tradition, attached to a secular institution such as a hospital, prison, military unit, intelligence agency, embassy, school, labor union, business, police department, fire department, university, sports club, or private chapel. 
