John III, Count of Ligny
John III, Count of Ligny was the eldest son of Count Anthony II and his wife Margaret of Savoy. He succeeded his father as Count of Brienne and Ligny in 1557.
John married Wilhelmina, the daughter of Duke Robert IV of Bouillon. Together, they had the following children:
- Anthony
- Charles II, his successor, elevated to Duke of Brienne in 1587
- Margaret
- Francis, succeeded Charles II as Count of Ligny. He married in 1576 Diane of Lorraine :
- *Henry III, Duke of Piney-Luxembourg and Count of Ligny. He married in 1597 Madeleine de Montmorency :
- **Marguerite-Charlotte de Ligny, Duchess of Piney-Luxembourg and Countess of Ligny, married in circ. 1630 Charles-Henri de Clermont-Tonnerre :
- ***Madeleine-Charlotte de Clermont-Tonnerre, Duchess of Piney-Luxembourg and Countess of Ligny, married in 1661 François-Henri de Montmorency-Bouteville, Count of Luxe :
- **** Charles de Montmorency, Duke of Piney-Luxembourg and Count of Ligny, married in 1696 Marie-Gilonne Gillier de Clérembault, with issue.
- **** Christian-Louis de Montmorency-Luxembourg, Prince of Tingry, married in 1711 Madeleine de Harlay de Beaumont, with issue.
- Diana, married:
- #Louis of Plusquelec, Count of Kerman
- #Justus of Pontailler, Baron of Pleurs
- Louise, married:
- # Baron George of Casaubon
- # Bernard of Béon, Seigneur de Massez
