Altendorf goes back through Walsh County, North Dakota to the towns along the Belgium border with Germany. Oldest documented ancestor born approximately 1722 in Schoenberg, Belgium. Richardy from Oudler, Belgium. Ruminski and Nagorski goes back through Minnesota and North Dakota and then to Poland. I am told they came from Krakow, but I do not have any documentation. Famularo and Ziino go back through Minnesota to Lipari, an island off the coast of Sicily.
If you have connections to these surnames, please contact me. Perhaps we are related.