First a happy new year.
In my Tjaden collection i found the name
Loren Tjaden in:
Tjaden number 8 page Gott 6.
,, ,, 13 page 8 a.
,, ,, 15 page O.7.
If it is not your father "Loren".
I have not all Tjaden's.
Maybe i can find something with the name of
your grandfather and great-grandfather.
A greet from The Netherlands,