found: Texas State Library and Archives Commission, Portraits of Texas Governors web page, May 20, 2016:(Edward Clark, Mar. 16, 1861-Nov. 7, 1861; born Apr. 1, 1815 in New Orleans; moved to Marshall, Tex. in 1842 to pactice law; elected to the House of Representatives in the 1st Legislature and state Senate in 2nd Legislature; lieutenant governor under Sam Houston; replaced Houston as governor after Houston's refulsal to take oath of allegiance to the Confederate States of America; died in Marshall, May 4, 1880)
found: Legislative Reference Library of Texas, Governors of Texas, 1846-present web page, May 20, 2016:(Edward Clark; member, Texas House of Representatives, 1846-1847; member, Texas Senate, 1847-1849; Lt. Governor, Dec. 21, 1859-Mar. 16, 1861)