| John I | |
|---|---|
 Effigy of John I (Iean I) in Nancy | |
| Duke of Lorraine | |
| Reign | 26 August 1346 - 27 September 1390 |
| Predecessor | Rudolph |
| Successor | Charles II |
| Born | February 1346 |
| Died | 23 September 1390 (aged 44) Paris |
| Spouse | Sophie of Württemberg |
| Issue | Charles II Frederick, Count of Vaudémont Isabelle |
| House | House of Metz |
| Father | Rudolph, Duke of Lorraine |
| Mother | Marie of Blois |
John I (February 1346 – 23 September 1390) was the Duke of Lorraine from 1346 to his death.[1] As an infant of six months, he succeeded his father, Rudolph, who was killed in the Battle of Crécy.[2] His mother was Marie of Blois.[2]
- ^ Bogdan 2007, p. 284.
- ^ a b Bogdan 2007, p. 57-58.