Colomba Gabriel was a Ukrainian Roman Catholic nun born in 1858 in Ivano-Frankivsk. After receiving her teaching diploma in Lviv, she joined the Benedictine Order under the religious name Janina. Following a relocation to Rome in 1900, she established the Benedictine Sisters of Charity in 1908. She held several leadership roles within her community, including serving as prioress and abbess, before passing away in Rome in 1926.