Two Profiles for Dirk Rosenkrantz

Two children named Dirk are listed for Magdaleen Dirckse Rosenkrans (Volckertsen) (c.1635 - 1726)

This one:
http://www.geni.com/people/Dirk-Rosenkrans/6000000001440361568

AND this:
Dirk Rosenkrans

They are both married to Wientje or Wientie, but they have different children.

One has a boy named Jacobus and the other has a daughter named Antje Kiersted, which is the Wientje's last name.

Are the two Dirks the same person?