1900 Census:Schedule 1-Inhabitants in Precinct No.1,Town of Taos,County of Taos,Territory of New Mexico.9th Day of June 1900.Laureano Mares,Enumerator.Sheet 6.

140-140 Wengert,Charles Head W M Oct 1830 Age 69 Married 28 Years Farmer Born Germany Year of Immigration 1853 Years In USA 46 Year Naturalization 1876
Maria B. Wife W F Oct 1846 Age 53 Married 28 Years 10 Children Born 4 Living
Carolina Daughter W F Oct 1863 Age 36 Single
Juan Son W M Feb 1865 Age 35 Single Farm Laborer
Luis Son W M June 1885 Age 14 Single At School

The listing at Kit Carson Cemetery recorded by Ella Louise May and Evelyn Bishop August 1979.Published in the book by Ralph L.Hayes.Listed some time ago.Page 111.

Wengert, Juan 6 Feb 1867 10 Jan 1901
Charles 28 Oct 1830 19 Jan 1904 B. Westenhausen, Wurtenberg,Germany
Carlos Nacio en Westhausen Wurtenberg,Alemania el dia 28 de Octubre de 1830 y Murio el 19 de Enero de 1904

Andeniken
Wengert,Carl Geboren Westhausen Wurtenberg,Germany 28 Oct 1830 Castorben 19 Jan 1904
Wengert,Louis 1885 1974
Mary Ross 1887 1976
Carolina 24 Oct 1863 30 Oct 1932
Viviana G. 20 Oct 1844 25 Apr 1925

It looks like Charles,Carlos and Carl Wengert are all the same person.