Yes I have a family tree from another researcher that covers this line.
This family was German Russian.In 1776 an ancestor left Germany for Russia.They originally immigrated to the Belowesh Colonies, then later to Grunau Colonies before coming to the USA in 1878.
Peter Henry REISWIG immigrated with his parents and siblings.His father is Leonhard REISWIG.We have a number of researchers working on this particular family.
We have a private Reiswig website where we are sharing photos, family trees, stories and more.I think we have about 7 researchers working on the family of Leonhard Reiswig.If you would like to join us, please send me an email at firstname.lastname@example.org.I do request a mailing address (which I keep in a private file) so that if you ever have computer problems I can still keep you updated with research that is going on.
In addition to our private site, I'm working at getting some of this information online.My website is at www.geocities.com/deenecer
I'm currently working on the webpage so there may be some links that aren't working.I'm hoping to have everything up and working by the beginning of the year.
You may also want to visit the Ollenburger website as they have some photos of Leonhard Reiswig and some of his children.This is at www.ollenburger.org