All six defendants have denied the charges.
Six the person has been charged with aggravated mating in a case involving a suspected mating ring run by Romanians.
The summons application has been submitted to the Helsinki District Court.
The defendants have denied the charges.
The Romanian league is suspected of running the mating ring in Finland for more than seven years.
According to the police, the group has recruited and produced several dozen Romanian women to work as prostitutes in Finland.
Read more: The Romanian league is suspected of running the mating ring in Finland for more than seven years
The group is derived from the city of Craiova, Romania, according to police. The women are also mainly from there, but also from other parts of Romania.
The suspected crimes began in 2013 and continued until mid-May this year. According to the police, some women have known what they are coming to Finland to do, but some women have been misled.
Activities have taken place around the country. According to the police, the group has operated in Helsinki, Espoo, Vantaa, Turku, Tampere, Hämeenlinna, Lohja, Forssa, Kemi, Oulu, Seinäjoki and Hyvinkää.
According to police reports, the criminal benefit has been several hundred thousand euros. Police have had tens of thousands of euros in cash confiscated.
Police have investigated the case together with Romanian police. Among other things, the Romanian police have investigated money laundering related to the case.