https://search.ancestry.com/cgi-bin/sse.dll?indiv=1&dbid=2451&a...
which shows death on may 6 1858
or this one https://search.ancestry.com/cgi-bin/sse.dll?indiv=1&dbid=2451&a...
which shows july 1858. The second link shows his father is Heinrich Ernst, and mother is Louise. This is probably a stretch to assume though.