Complex sentence: Darya Nikolayevna Saltykova (Russian: Дарья Николаевна Салтыкова; née Ivanova, commonly known as Saltychikha) (1730--1801) was a Russian serial killer and noble from Moscow who became notorious for torturing and killing over 100 of her serfs, mostly women and girls.
Split into simpler sentences: Darya Nikolayevna Saltykova (Russian: Дарья Николаевна Салтыкова; née Ivanova, commonly known as Saltychikha) (1730--1801) was a Russian serial killer and noble. Saltykova was a Russian noble from Moscow who became notorious for torturing and killing over 100 of her serfs, mostly women and girls.