Castiel Rhiannon is the child of Sophia Knight and Tal Tlvdatsi born alongside their sister, Kyrah Marino, and half-brother, Owen Knight, on July 26, 2015. He previously lived in Casa di Cavalieri, his birthplace, before moving with his father to AniWaya. He was one of the founding members of Auclair in Quebec. His step-mother is Gemma Tlvdatsi.