Marianna Chełchowska, daughter of Leon Chełchowski and Ewa Gożdziewska, was born on 05 September 1836 in Mosaki Starawieś, Przasnysz Powiat, Płock Gubernia, Congress Kingdom of Poland. She was baptized in the parish church in Krasne, Przasnysz Powiat, Płock Gubernia, Congress Kingdom of Poland on 07 September 1836.

