Complex sentence: Bittiga, the ruler of the Hoysala empire was also converted from Jainism to Hinduism and given the name Vishnuvardhana by Ramanuja, one of the three eminent social reformers and religious heads of Hinduism who also consecrated the Hoysaleswara Temple built in 1121.
Split into simpler sentences: Bittiga, the ruler of the Hoysala empire, converted from Jainism to Hinduism. He was given the name Vishnuvardhana by Ramanuja, one of the three eminent social reformers and religious heads of Hinduism who consecrated the Hoysaleswara Temple built in 1121.