Three men, two women, and a girl under 18 years of age, were arrested on Thursday evening after police carried out a planned search of a house in Castletown, Navan, County Meath.
It followed a report alleging false imprisonment. It is understood those living in the house are from Romania.
The men and women appeared in court on Saturday.
They were remanded in custody.
Five people have appeared in court in Trim on charges of theft.