Карл X Густав
The baronial title ended with his eldest son John De la Gardie. Pontus De la Gardie's second son, Jacob De la Gardie, was given the title count of Läckö in 1615; his grandson Magnus Gabriel De la Gardie became a favourite of Queen Christina and married her cousin, Countess Palatine Maria Eufrosyne of Zweibrücken (a sister of Charles X Gustav of Sweden).