The family traces its name to Prince Ivan Mikhailovich Obolensky (+1523), nicknamed Repnya, i.e., "bad porridge". Like other Princes Obolensky, he descended from Mikhail Vsevolodovich, prince of Chernigov, who, in 1246, was assassinated by the Mongols.
https://russiannobility.org/princes-of-the-russian-empire/ https://russiannobility.org/princes-of-the-russian-empire/ ↩
Репнин М. И. Князья Репнины в истории Отечества. М.2009. С.44 ↩