Hi Dolores,
send air mail letter in English to soltys = village administrator in Jaksice.
Soltys knows all peoples in village and will help you in contact with relatives. Address;

Soltys wsi Jaksice
88-181 Jaksice
pow. inowroclawski
woj. kujawsko-pomorskie
Poland

Probably during 3 - 6 weeks you will have reply in Polish.

Cordially,
Wladyslaw