Genealogy / Adamek family research [10]

Hello I'm polish and I life in Berlin.
My dads family is from Koszerawa it's next to Zywiec.
My grandpa's name is Ludwik Adamek.
He was born there but he moved next to Poznan.
He died 1994.
My dad knows nobody from his family only a oncle his name is Jan
and his second oncle is Jozef but he died 50 years ago in a accident.
These are the only things i know about my family :( .
Does somebody know any other page where i can search?
Thanks for help.