Searching for

i am searching for: peter and Katerhine weier- weyer- or weir-
they were born in prussia , germany around the years of 1818 and 1816-
they had six boys- three were born in germany and other were born in south dakaota.
they immigrated to the US in 1853 with the ship the "cotton planter"-
if any one has any information on this - it would be so appreciated!!
thanks- boz