 The writings of Madhvacharya and <unk> ( author of <unk> ) may have been absorbed by <unk> , brother of <unk> , the patron saint of the founders of the Vijayanagara empire in the 14th century . <unk> ( who was patronised by Hoysala King <unk> ) wrote a commentary on <unk> , <unk> wrote commentary on <unk> <unk> and <unk> , and <unk> wrote <unk> . A family of hereditary poets whose names have not been identified held the title " <unk> " ( poet laureate ) in the Hoysala court . One of them wrote <unk> , a description of the war between Hoysala king Vira Narasimha II and the <unk> , in the early 13th century . His grandson with the same title , in the court of king Veera Ballala III , composed a poem called <unk> in 16 <unk> ( chapters ) and wrote commentaries ( on <unk> ) on the <unk> and <unk> . Kalyani Devi , a sister of Madhvacharya , and <unk> , his disciple , wrote commentaries on the Dvaita philosophy . To <unk> is ascribed a poem <unk> the story of <unk> and <unk> called <unk> . Narayana Pandita composed <unk> , <unk> and a poem called <unk> . The Jain writer Ramachandra <unk> authored <unk> . 
