A composition of Sri Muthuswamy Dikshitar (24 March 1775 – 21 October 1835) in the raga Kambhoji endorses the identity of Lord Ayyappan through the line 'Hariharaputra jananIM' (Marakathavalli, Amba, is the mother of Ayyappa. The father is Shiva, Hara. Certain interpretations of the song suggest that She is Mohini, the form of Vishnu. One can read here the lines and some discussions on certain aspects:Pallavi :Maragathavalli Manasasmaraami Madana janakadhi devA Palini (Maraga)Charanam:Hari hrudhaye Vesinim Mohinim Harihara puthra jananim NalinimKrura thaithyadhi brundha mardhanim guruguhathinudha valli vasinimThe Meaning:I meditate in my mind on Goddess MARAGATHAVALLI, who protects the gods like Vishnu, the Father of Cupid, Who inspired in the hearts of Hari and SHE IS MOHINI. She is the Mother of Sastha/ Hariharaputra ; is elegant one who destroys the hordes of Asuras who resides in the Sacred Fire, which is Worshipped by Guruguha and others.With the Meaning we can Infer that this Krithi is composed on Mohini, the mother of Sastha.