Complex sentence: Saraswati was the yidam (principal personal meditational deity) of 14th Century Tibetan monk Je Tsongkhapa, is said to have accompanied him on his travels, as well as regularly engaging in conversations with him.
Split into simpler sentences: Saraswati was the yidam (principal personal meditational deity) of 14th Century Tibetan monk Je Tsongkhapa. She is believed in the Tibetan tradition to have accompanied him on his travels, as well as regularly engaging in conversations with him.