3 bio children 8 girl 3 girl 6 month boy

I have 3 bio children: 8 (girl), 3 (girl) 6 month boy. We received a call in Oct 2020 that a relative had been incarcerated& her children were going to go to DHS. That night, we traded in our small car for a minivan. We left on the 11 hour drive to pick up a teen and her two siblings: 9 (boy)...