St. Euphrosyne of Polotsk also known as Efrasinnia; Efrosin; Euphrasinne; Evfrosinia of Polotsk; Pradslava; Yefrasinnya Polatskaya.  Born 1110, Died 1173.  She was the Daughter of Prince Svyatoslav of Polotsk. Granddaughter of Prince Polacak Usiaslau. Entered the Convent of Holy Wisdom @ Polotsk, a house founded by her aunt, @ age 12; she was later joined by her sister, two nieces, and a cousin.  Hermit in a cell in the Cathedral of Holy Wisdom.  Book copyist; proceeds from the sale of the books was given to the poor.  Founded a convent @ Seltse.  Pilgrim to Constantinople; received by emperor Manuel I and Patriarch Michael III.  Pilgrim to the Holy Lands where she was received by the Crusader King Amaury I.  Especially venerated by Ruthenians, Ukrainians, Lithuanians, and Russians.  She is buried in the Monastery of the Caves @ Kiev in 1187; relics translated to Polotsk in 1910 @ the Saviour-Efrosinia Convent   See also http://www.catholic-forum.com/saints/sainte69.htm 

St. Juliania Olshanska died at the tender age of 16, in 1550 AD.  As her aristocratic family had been donors to the Kyivan Caves Lavra, she was privileged to be buried among the Fathers there.   As a teen-ager, and their Patron, she gave a strong witness to a pious and pure life, one that was filled with prayer and spiritual reading, as well as participation in the Eucharistic and liturgical life of the Church.   See also http://www.unicorne.org/orthodoxy/articles/saints_icons/saints_new/volyn.htm