Karl Emich
There was a bio published in 1997, Hermann Nehlsen: Fürst Karl zu Leiningen (1804-1856) that would probably be a good bet to have a picture of his wife.
There was this tidbit about Karl Emich:
On April 20, 1842, he was among the twenty-one noblemen who, at Biebrich on the Rhine, near Mainz, formed an association for the purpose of purchasing land in Texas and directing German emigration there, the so-called Adelsverein. At this meeting he was elected president of the organization. The prince did not personally play an active role in the affairs of the society, however, for by 1844, when the group had been reorganized into a stock company, he had already accepted the presidency of the Bavarian Imperial Council. He held this post until 1848, dividing his time chiefly between Amorbach and Munich. During this time, in 1847, a small settlement of German immigrants was being established in Texas on the north bank of the Llano River; it was named Leiningen in honor of the president of the society.....In February 1851 he resigned as president of the Adelsverein. His successor, Prince Herman of Wied, was elected by the membership on May 12, 1851. On November 13, 1856, Leiningen died of a stroke at Waldleiningen, near Amorbach. Leiningen, a rural Lutheran community in Llano County, Texas, still bears his name.
