Hello! Your Ostronic relatives came up in my recent Ostronic search. 7 generations of Ostronic's were kindly sent to me by a distant cousin. Matija/Mathias Ostronic, born 1841 in Golek, house No. 8 was my 1st cousin 5x removed! His father, Mathias Ostronic born 1801 was the youngest brother of my 4th great grandfather, Marko/Marcus Ostronic, born 1775. Your original post is so old, I am sure you have since found additional information? My source lists Barbara as having a brother, Mathias Ostronic 1864-1867 and another brother,also Mathias Ostronic born 1867 - 1867.