Dirck Cornelissen woonde voor zijn huwelijk (1625) in Hardinxveld. Hij is getrouwd met Neeltje Willemsdr op 22 september 1625 te Werkendam.
Kind(eren):
Aentje Dircks ± 1610-???? Cornelis Dircks ± 1615-???? Anneke Dirx ± 1615-???? Aechtje Dircks ± 1620-???? Adriaen (Arien) Dircksz ± 1620-< 1673 Willem de Heer ± 1620-< 1668 Jan de Heer ± 1625-???? Bastiaan Dirks ± 1625-1658
Dirck's father was Cornelis de Heer and his mother was N.N. N.N.. He had two brothers named Cornelis and Jan Corneliszn. He was the youngest of the three children. He died before October 10th, 1627.1