I have a Joshua G. Wilhelm, b. 16 Sep 1839, Baltimore County, MD, d. 29 Jan 1904, Baltimore Co., MD.He was married to Elizabeth Zencker.He was the son of Daniel B. Wilhelm, b. 1813, Baltimore C., and Henreita Wisner, b. 1821, Baltimore Co.In addition to Joshua they had Mary, b. 1834/5, Keziah, b. 1843/4, Susan, b. 1847/8, and Abraham, b. 1849/50.Daniel B., who was the brother of my 3rd ggrandfather, was the son of Henry Wilhelm, b. 15 Jun 1772,d. 1 Aug 1843, and Catherine_________, b. 1771 in PA.He was the son of Henry Wilhelm,b. in Germany, date unk. His will was probated in Baltimore Co. on 13 Apr 1798.It has been written that he came to Baltimore Co. from Germany in time to serve in the Rev. War.His wife's name is unknown.You can find the wills of the two Henrys on a Baltimore County Gen Web Project Site.It will give you the names of all their children.I don't have that address with me, but will send it to you if you can't locate the site.Hope this is the information that you were looking for.If so, I can send you some census and will references.