Who dated Agnieszka Osiecka?

Agnieszka Osiecka (Polish pronunciation: [aɡˈɲɛʂka ɔˈɕɛt͡ska]; 9 October 1936 – 7 March 1997) was a Polish poet, writer, author of theatre and television screenplays, film director and journalist. She was a prominent Polish songwriter, having authored the lyrics to more than 2000 songs, and is considered an icon of Polish culture.

Marek Hłasko (14 January 1934 – 14 June 1969) was a Polish author and screenwriter.

Jeremi Przybora (12 December 1915 in Warsaw – 4 March 2004) was a Polish poet, writer, actor and singer. He created the TV-series "Kabaret Starszych Panów" (Elderly Gentlemen's Cabaret) with Jerzy Wasowski and performed ballads and sung poetry, a popular music genre in Poland.