Below is the information from Klaas Jan Sijsling enabling the provision from the Dutch official records, of much information about Ernest Albert Archer and his family, and above is a copy of an actual entry to be found there:
6. The date and place of the marriage of Johanna Cornelia Archer and Arie van der Heiden (born at Haarlem) can be found at
http://www.pondes.nl/detail/i_d.php?inum=4226253
Look for Trouwdatum.
The date and place of the marriage of Alfred Steven Archer and Geertruida Sophia Jacoba Niessen (born at IJsselstein) can be found at
http://www.pondes.nl/detail/i_d.php?inum=12060903