Peter I of Luxembourg, Count of Saint-Pol
| Peter of Luxembourg | |
|---|---|
| Spouse(s) | Margaret de Baux |
| Noble family | House of Luxembourg |
| Father | John of Luxembourg, Lord of Beauvoir |
| Mother | Marguerite of Enghien |
| Born | 1390 |
| Died | 31 August 1433 Rambures |
Peter of Luxembourg (1390 – 31 August 1433) was a son of John of Luxembourg, Lord of Beauvoir, and his wife Marguerite of Enghien. His inheritance included the counties of Brienne, Conversano and Saint-Pol.
Peter had succeeded his father, John of Luxembourg, Lord of Beauvoir, and mother, Marguerite of Enghien. They had co-reigned as Count and Countess of Brienne from 1394 to her death in 1397.
John was a fourth-generation descendant of Waleran I of Luxembourg, Lord of Ligny, second son of Henry V of Luxembourg and Margaret of Bar. This cadet line of the House of Luxembourg reigned in Ligny-en-Barrois. This made Peter a distant cousin to John of Luxembourg, father of Charles IV, Holy Roman Emperor, and Bonne, Duchess of Normandy and Aquitaine.
Peter was a sixth-generation descendant of John II, Duke of Brittany, and his wife Beatrice of England, through their daughter, Marie.
Beatrice was a daughter of Henry III of England and his wife Eleanor of Provence.
Henry was son of John of England and his second wife Isabella of Angoulême.
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