looking for my wifes family.father was jan thomas koppen ,born in utrecht in jan 24 1923.mother was annie bliek born april 14 1930. both died in toronto ontario canada.fathers sister hendrika koppen[henny]married to jan krabbendam[hopefully spelled right]

I noticed in your tree hat you got this line pretty far back already. With the dutch database Genlias its pretty easy to get the line farther back:

http://www.genlias.nl/en/search.jsp

Source Civil register - Marriage
Archive location Het Utrechts Archief
General Number of finding aid: 481
Item number: 961
Municipality: Utrecht
Type of record: Huwelijksakte
Record number: 218
Registration date: 29-06-1853
Groom Johannes Koppen
Age: 27
Place of birth: Utrecht
Bride Elisabeth van Karsten
Age: 32
Place of birth: Utrecht
Father groom Roelandus Koppen
Mother groom Geertruij Versluijs
Father bride Balthazar van Karsten
Mother bride Helena van der Horst
________________________________________________
familysearch has the original scans here some documents that were submitted at the marriage:
pages 1718-1723

https://familysearch.org/pal:/MM9.3.1/TH-1-15005-17131-4?cc=...

page 1723 probably the most interesting Johannes Koppen didn't have to serve in the military because he is too small in stature. He was finally released from duty because two brothers of him stood in for him and served.