Palmach archive - ארכיון הפלמח - The official archive of the "Palmach" the Israeli special defense units which preceded the Israel Defense Army. Three of the Ageyev sons served in The Palmach ( Yaakov, Moshe and Mordechi ), their life stories are given in that link.
Ageyev family tree on the web - Link to GenoPro site to view a comprehensive family tree of "The Ageyevs from Kosachevka"