Question: Who is the grandmother to the famous poet from Joplin Missouri?

Context paragraphs:
Langston Hughes: James Mercer Langston Hughes (February 1, 1902 – May 22, 1967) was an American poet, social activist, novelist, playwright, and columnist from Joplin, Missouri.

Lewis Sheridan Leary: Lewis Sheridan Leary (March 17, 1835 – October 20, 1859), an African-American harnessmaker from Oberlin, Ohio, joined John Brown's unsuccessful raid on Harpers Ferry, where he was killed.  He was the first husband of Mary Patterson.  By her second marriage to Charles Henry Langston, she became the future maternal grandmother of poet Langston Hughes.

Joplin High School: Joplin High School is a comprehensive public high school in Joplin, Jasper County, Missouri, USA.  The first high school was founded in 1885.  JHS has a student population of almost 2,200 students in grades 9-12.  Joplin High School is fully accredited by AdvancED and North Central Association of Colleges and Schools and by the Missouri Department of Elementary and Secondary Education (DESE).  Joplin High School is also a designated Missouri A+ School of Excellence.  Franklin Technology Center, a vocational and technical education school, offers secondary and adult education classes.

Li Chengqi: Li Chengqi () (679 – January 5, 742), known as Wu Chengqi () during the reign of his grandmother Wu Zetian and as Li Xian () after 716, formally Emperor Rang (, literally, "the emperor who yielded"), was an imperial prince of the Chinese dynasty Tang Dynasty who served as crown prince during the first reign of his father Emperor Ruizong who yielded that position to his younger brother Li Longji (Emperor Xuanzong) during Emperor Ruizong's second reign.  Li Chengqi had a number of children, including his oldest son, Li Jin (Tang Dynasty), the prince of Ruyang, who was called one of the Eight Immortals of the Wine Cup by famous poet Du Fu.

Joplin Miners: The Joplin Miners were a minor league baseball team in Joplin, Missouri that played for 49 seasons between 1902 and 1954.  Baseball Hall of Fame Inductees Mickey Mantle and Whitey Herzog played for Joplin.  Professional baseball returned to Joplin and Joe Becker Stadium when the Joplin Blasters began play in 2015.

Charlotte Champe Stearns: Charlotte Champe Stearns Eliot (1843–1929), was a school teacher, poet, and social worker.  She was the daughter-in-law of William Greenleaf Eliot, a leading minister in St. Louis, Missouri and a founder of Washington University in St. Louis, Missouri, mother of T.S. Eliot, a famous poet, editor and literary critic, and spouse of Henry Ware Eliot, who ran the Hydraulic Press Brick Company in St. Louis, Missouri.

Sunnyvale, Missouri: Sunnyvale is a former village in northern Newton County, Missouri.  It merged with Joplin in 1987.  Joplin surrounded the village on all sides except for Midway on the west, which also merged with Joplin.  Its northern boundary with Joplin was Missouri Supplemental Route FF, also known as 32nd Street.

Missouri Southern State University: Missouri Southern State University is a public, state university located in Joplin, in the U.S. state of Missouri.  Missouri Southern State University was formerly "Missouri Southern State College" and is also known as Missouri Southern, MSSU, or MoSo for short.  Established in 1937 as Joplin Junior College, Missouri Southern became a four-year college in 1968 and became state-assisted four-year college known as Missouri Southern State College in 1977.  In 2003, the Missouri General Assembly authorized the renaming of the college to Missouri Southern State University–Joplin, and in 2005 the university dropped Joplin from its name.

Shah Abdul Karim Bulri: Shah Abdul Karim Bulri(1536-1623) (Sindhi: شاه عبدالڪريم بلڙي ‎ ) was a famous poet of the Sindhi language from Sindh, Pakistan.  Shah Abdul Karim Bulri was the great-grandfather of the famous poet Shah Abdul Latif Bhittai.

U.S. Route 66 in Missouri: U.S. Route 66 (US 66, Route 66) is a former east–west United States Numbered Highway, running from Santa Monica, California to Chicago, Illinois.  In Missouri, the highway ran from downtown St. Louis at the Mississippi River to the Kansas state line west of Joplin.  The highway was originally Route 14 from St. Louis to Joplin and Route 1F from Joplin to Kansas.  It underwent two major realignments (in the St. Louis and Joplin areas) and several lesser realignments in the cities of St. Louis, Springfield, and Joplin.  Current highways covering several miles of the former highway include Route 100, Route 366, Route 266, Route 96, and Route 66.  Interstate 44 (I-44) approximates much of US 66 between St. Louis and Springfield.

Supporting paragraphs: Lewis Sheridan Leary Langston Hughes
Answer: Mary Patterson