The burial place of two pioneers of oil industry - Ignacy Łukasiewicz (and his wife) and Karol Klobassa-Zrencki (in a family chapel) can easily be found in Zręcin.

Opposite the cemetery, in the Church dedicated to Saint Stanisław, Bishop and Martyr, there are commemorative epitaphs with portraits of both of the church founders painted on tin plates. The epitaphs are placed on the walls of the chancel; Karol Klobassa-Zrencki’s epitaph is on the left of the entrance to the sacristy and Ignacy Łukasiewicz’s epitaph is on the right at the entrance to the chapel.