+———Ioannes Langmann (abt 980 Lucca, Tuscany – )                  |              +———Abt 6 Generation Langmann              |          +———Langmann (bef 1200 Nurnberg, Germany – )          |      +———Nurnberg Bürgermeister Langmann (abt 1200 Nürnberg – )      |  +———Otto Langmann (bet 1304 and 1313 – )  |      Nun/Engelthal Adelheid Langmann (bet 1330 and 1344 Died 22 Nov 1375 – 22 Nov 1375 Engelthal, Bavaria, Germany)  |      +———Nun/Engelthal Mechtilde _____ (bet 1327 and 1338 – )