| LC control no. | nb2009013895 |
|---|---|
| Personal name heading | Louis IV, Landgrave of Thuringia, 1200-1227 |
| Variant(s) | Ludwig IV, Landgraf von Thüringen, 1200-1227 Louis der Heilige, 1200-1227 |
| Found in | Sainte Élisabeth de Hongrie, 2007: p. 367 Louis (1200-1227) p. 152 (Louis, the 4th Landgrave of Thuringia) Wikipedia, 4 June 2009 (Ludwig IV or Louis IV, was the Landgrave of Thuringia from 1217 to 1227, ascended to Thuringian throne at age 16, married Saint Elisabeth of Hungary, whilst he was never formally canonized, he became known as Ludwig der Heilige) |
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