Hi Marie,
My grandfather's name was Franciscek Grzybowski. His father's name was Jan. His sons names were Karl, Alex, Edward, and Joseph. I don't know of any Pauls, or Eric. Karl was called Connie (for Constantine).
Karl married a girl named Margaret. They had a daughter named Rita. Karl died in 1929. Do you think we're related? Please let me know...
Regards,
Grace