Alexander Suvorov
She was a daughter of chancellor A L Naryshkin, granddaughter of admiral Alexei Senyavin, sister of Lev Alexandrovitch Narychkine and K A Narychkine, daughter-in-law of Alexander Suvorov (via her first marriage, to his son Arkadi Suvorov) and cousin of Count Mikhail Semyonovich Vorontsov.