Liutgard von Henneberg was born on an unknown date to Poppo VII. von Henneberg (-1245) and Elisabeth von Wildberg (c1187-1220) and died 14 June 1267 of unspecified causes. She married Johann I. zu Mecklenburg (c1211-1264) 1220 JL . Notable ancestors include Charlemagne (747-814), Alfred the Great (849-899). Ancestors are from France, Germany, the United Kingdom, Belgium, Italy.