John I, Lord of Ligny
 |
| John I, Lord of Ligny | |
|---|---|
| Lord of Ligny, La Roche, Beauvoir and Roussy | |
| Reign | 1354–1364 |
| Predecessor | Waleran II |
| Successor | Guy I |
| Born | 1313 |
| Died | 17 May 1364 (aged 50–51) |
| Spouse | Alix of Dampierre |
| Issue | Marie of Luxembourg John, Lord of Roussy Guy I, Count of Ligny John, Archbishop of Strasbourg Johanna of Luxembourg |
| House | Luxembourg |
| Father | Waleran II of Luxembourg, Lord of Ligny |
| Mother | Guyotte of Lille |
John I of Luxembourg (French: Jean Ier de Luxembourg; died: 17 May 1364), was a Lord of Ligny, Beauvoir, Roussy and La Roche from the House of Luxembourg. He was a son of Lord Waleran II and his wife, Guyotte of Lille. He was a 3rd generation descendant of Henry V, Count of Luxembourg.
Around 1330 he married Alix of Dampierre (d. 1346), the heiress of Guy of Dampierre-Richebourg. Their children were:
- Marie, married in 1347 to Count Henry of Vaudémont (d. 1365)
- John (d. 1360/61), Lord of Roussy, and priest
- Guy I (d. 22 August 1371), Count of Ligny and St. Pol
- John (d. 4 April 1373), Bishop of Strasbourg from 1365 to 1369 and Archbishop of Mainz from 1371 to 1373
- Johanna (d. 1392), married Count Guy V of Saint-Pol (d. 1360)