Source Information
Ancestry.com. Genealogical notes concerning Martin Ungerfehr and his descendants [database on-line]. Provo, UT: Ancestry.com Operations Inc, 2005.Original data: Butler, Russell Harris,. Ungerfehr, Uncapher, Unkefer, genealogica et biographica, or, Genealogical notes concerning Martin Ungerfehr and his descendants separated into two distinct branches, the larger branch being known by the name Uncapher while the smaller one is designated by the name Unkefer. United States: unknown, 1925?.