Background
He was the son of William van Teylingen.
He was the son of William van Teylingen.
Two mothers are linked to him. Mary of Castricum and Agnes of Bentheim. In 1226 Dirk was appointed drost at the court of the count of Holland.
He served under Floris IV of Holland and William I of Holland.
During the absence of the count, he was the highest official in the county.