Hi, I found is info on Findagrave.com Memorial # 40315565 of John Hubertus Younker, Created by Lisa Oberg on Aug 05, 2009, She is a descendant of his. Birthplace Linnich, Duren, North Rhine-Weatphalia, Germany, Parents Arnold Jacob Juncker & Maria Agnes Kremer, Immigrated in 1857, Blacksmith in the 5th Illinois Cavalry Company B during the Civil War, Place of Marriage Atlanta, Logan County, Illinois, USA. I also have Marriage place as Lincoln, Logan County, Illinois, USA. Burial on Oct 1886 in Cedarview Cemetery, Doniphan, Hall County, Nebraska, USA. Born December 24, 1820. If you have more with better source's Please e-mail me.