text: NN, niece of King Mindaugas of Lithuania, bef. 1252
  Sisters
  Feodora of Galicia († after 1200), m. 1187 (div 1188) Vasilko of Galicia
  Maria of Galicia († after 1241), m. before 1200 Michael of Chernigov, sometime Grand Prince of Kiev and ultimately a saint.
  Sons
  Iraklii Danylovich (*ca. 1223 – † by 1240)
  Leo I of Galicia (*ca. 1228 – † ca. 1301), Prince of Belz 1245–1264, Prince of Peremyshl 1264–1269, Prince of Halych 1269–1301, Prince of Halych-Volynia 1293–1301; he moved his capital from Halych to the newly founded city of Lviv (Lwów, Lemberg), m. 1257 Constance, daughter of Béla IV of Hungary.
  Roman Danylovich (*ca. 1230 – † ca. 1261), Prince of Black Ruthenia (Navahradak) 1255? – 1260?, and Slonim
  Mstislav Danylovich († aft. 1300), Prince of Lutsk 1265–1289, Prince of Volynia 1289 – aft. 1300
  Svarn (Shvarno, Švarnas, Ioann; † 1269, bur. Chełm), Grand Duke of Lithuania 1264–1267 (1268–1269?), Prince of Chełm 1264–1269
  Daughters
  Pereyaslava († 12 April 1283), m. ca. 1248 Prince Siemowit I of Masovia
  Ustynia, m. 1250/1251 Prince Andrew II of Vladimir-Suzdal
  Sofia Danielvna, m. 1259 Graf Heinrich V von Schwarzburg-Blankenburg: they were the parents of Utta von Schwarzburg-Blankenburg, who was the eponymous ancestor of the House of Reuss