The father of Willem van Oldenbarnevelt died in 1619.
Willem van Oldenbarnevelt, "Lord of Stoutenburg" (1590  before 1638) was a son of Johan van Oldenbarnevelt. 
Johan van Oldenbarnevelt (] ), Lord of Berkel en Rodenrijs (1600), Gunterstein (1611) and Bakkum (1613) (14 September 1547  13 May 1619) was a Dutch statesman who played an important role in the Dutch struggle for independence from Spain. 
