Kossak is the surname of the 4 generations of notable Polish painters, writers and poets, descending from the historical painter Juliusz Kossak. The family includes:
Progenitor, Juliusz Kossak (1824–99), Polish painter from the partitions periodWojciech Kossak (1857–1942), painter, son of Juliusz KossakJerzy Kossak (1886–1955), painter, son of Wojciech Kossak, grandson of Juliusz KossakZofia Kossak-Szczucka (1889–1968), novelist, daughter of Wojciech Kossak's twin brother Tadeusz Kossak, granddaughter of Juliusz KossakMaria Pawlikowska-Jasnorzewska née Kossak (1891–1945), poet, second daughter of Wojciech Kossak, granddaughter of Juliusz KossakMagdalena Samozwaniec née Kossak (1894–1972), writer, third daughter of Wojciech Kossak, granddaughter of Juliusz KossakGloria Kossak (1941–1991), painter and poet, daughter of Wojciech Kossak's son, Jerzy Kossak (1886–1955)(as well as)
Karol Kossak (1896–1975) – painter, illustratorLeon Kossak (1827–1877) – amateur painterWładysław Kossak (1828–1918) – painter, Polish émigré in AustraliaNote: the above list of persons incorporates information available in Polish Wikipedia.