Blessed Stefan Grelewski, 1898 – 1941
He was born in Dwikozy in 1898. He went to school in Sandomierz and Janów Lubelski. He took holy orders in the Sandomierz Cathedral on 12 October 1921. He was a journalist, writer, columnist and translator. He died on 9 May 1941. He was beatified on 13 June 1999. SOURCE
I believe he and Blessed Kazimierz Grelewski were brothers – but I am not sure… Anyone?