Valuable genealogical source of the early 20th century: “The family tree of the Kolyubakins of all 14 branches of the genus"
The article describes an important document, a copy of which is stored in the State Archive of Tver region. It contains on one sheet a graphic image of the family tree of the Kolyubakin nobles and a genealogical table of fourteen branches of this family, which includes 712 persons. A proposition is substantiated about the drawer of the family tree and the genealogical table. The Kolyubakins’ genealogical table from this document is also published here in full.