Dirk III van Wassenaer

Dirk III van Wassenaar (c. 1325 - 1391 or 92) was (Lord of) Wassenaar and (burgrave) of Leiden. Life Family Dirk III van Wassenaer belonged to the main branch of the Van Wassenaer family. He was the son of Philips III van Wassenaer (1307- c. 1345) and Elisabeth van der Dussen. From his three marriages, Philips left Dirk with a half-sister Heylwig, married to Willem van Duvenvoorde, two other half-sisters, and a brother Hendrik. Philips had crowned his career by becoming Burgrave of Leiden in 1339.