The 'family' visa to Poland exist and works for foreigners who have right to the family reunion, their case was positively verified in Poland, and who obtained temporary residence permit from Polish Voivode.
This permit is granted for the spouse of a Polish citizen, a minor child from relationship and also for family members (spouse and underage kids) of a foreigner residing in Poland. The marriage which must be valid and recognised by Polish law.
For more detailed information go here:
migrant .info.pl/arrival-and-stay-in-poland-of-a-family-member.html