There is also another Schwindt on the same voyage.. on the previous page. He's 17 years old. Is he part of the family? Passenger 333.
When you ask "does anyone have access to these records etc.. is it the passenger list you want access to?
Arrival Date: 5 Jun 1878
Ship Name: Wieland
You can conduct a search here to find the passenger list.. it can be time consuming .. but I am sure you will find it here for free.https://familysearch.org/pal:/MM9.3.1/TH-1-16943-34215-42?cc...