Complex sentence: After losing Gwalior to the British, Tatya Tope and Rao Sahib (nephew of Nana Sahib) fled into the Rajputana and was able to induce the army of Tonk to join him.
Split into simpler sentences: After losing Gwalior to the British, Tope and Rao Sahib, nephew of Nana Sahib, fled into the Rajputana. He was able to induce the army of Tonk to join him.