 Therefore, on , they established their own Lithuanian Care to Provide Assistance to Our Captive Lithuanian Brothers from Prussian Lithuania ().The society was chaired by Felicija Bortkevičienė and included Mykolas Sleževičius, Jonas Vileišis, and others.It was based in Vilnius but after the Great Retreat, moved to Saint Petersburg and then to Saratov where some deportees lived.