Mira Fuchrer was a Ha'Shomer Ha'Tza'ir activist and Mordechai Anielewicz's girlfriend. In her letters to a friend who remained in Vilna, she often mentioned her great love for Mordechai. She fought alongside him during the uprising and died with him in the headquarters bunker at Mila 18, on May 8, 1943. She was 23 years old when she died.
Source: Dor, Danny, Ed. Brave and Desperate. Israel: Ghetto Fighters' House Museum, 2003.