I was searching for information on the Catholic Church in Ostrow, maz and I came across your post. I think you might find help on the Geni.com website. A man named Wlodzimierz Piotr Macewicz is the profile manager. Here is some of the information that is posted on that site:
Aleksandra Brzózka (Elceser)
Birth:
Immediate Family:
Daughter of Franciszek Elceser and Rozalia Elceser
Wife of Aleksander Brzózka
Mother of Czesław Brzózka; Genowefa Regina Kozłowska; Edmund Brzózka; Tadeusz Brzózka; Helana Bruski/r. Brzózka; and Jozeph Bruski/r. Brzózka « less
Added by:
Włodzimierz Piotr Macewicz on December 26, 2013
Managed by:
Włodzimierz Piotr Macewicz
I realize it has been a long time since you posted, but I hope this helps.