Aertjien Bastiaens - Father?

The same website states "The Coeymans family of early New Netherlands, or New York, descends from Pieter Coeymans
of Heicop near Schoonderwoerd, South Holland, The Netherlands." and goes on to describe numerous marriages in America between children of the de Vos and Coeymans families.

The "Bastions" puzzles me but other than this i think her names indicate that Aertje's father was an otherwise unknown Kirk Coeymans, a brother (cousin?) of Pieter Coeymans.

' Aertjien Bastiaens'

She doesn't have a last name. She was born BEFORE most people had last names. What was added to the last name space is a patroniem. According to the Dutch naming convention, Bastiaens ir Bastiaensdr should be in the first name space next to her first name. Bastiaen or Bastiaan,without an _s_ attached it. was her FATHER's first name.

(When I pronounce 'Coeyman' it translates in my mind into English as 'cowman'. This would or might have been an occupation. If Aertjien was Pieter's daughter she wouldn't be called Aertjien wuold have been born as Aertjien Pieters or Aertjien Pietersdr)

Mandatory last names didn't appear until around 1811 in the Netherlands. Patroniemics is a very nice and truly special way to identify people. https://en.wikipedia.org/wiki/Patronymic

Yes but all that aside Coeymans is definitely being used as a family name in America in the late 1600s. So the appearance of "Coeyman(s)" strongly suggests that she is associated with that family, we are then left with what looks like two patronyms, "Kirkse" and "Bastiaens(sp)" which imply that her father's name is either Kirk or Bastiaen however neither of the two fathers linked on Geni has either of these names. Why might she have two patronyms, I cannot think of any explanation that makes sense other than bad record keeping or bad genealogy?

I added a note to the About section of "N.N. Bastiaens" years ago pointing of the absurdity of the name but the manager has never responded. The addition of Pieter Coeyman as a father is relatively new so i hope that the manager may respond with some useful information, failing that my inclination is to delete both fathers as they are both wrong.