

The said theory was formed because of the presence of an extra Phantomhive tombstone (besides the tombstones of Ciel and his parents) shown in Elizabeth's flashbacks, which occurred during the Luxury Liner arc and its 2017 anime film adaptation Black Butler: Book of Atlantic.

Tanaka knew and was planning on taking it to the grave but now would be pointless. Although the servants have their doubts Sebastion eventually confirmed that the other Ciel was indeed the true Ciel and that the Ciel they have been following was his twin brother. In the Blue Cult arc, the true Ciel returned and the current Ciel and Sebastion were shocked to see him alive again. The younger brother named himself Ciel and decided to burn the place and corpses so no one would know that Ciel's brother would impersonate him however Undertaker managed to save his corpse and sometime later would eventually revive him. He and his brother were kidnapped by a cult and the elder Ciel was sacrificed to summon Sebastian. They were close despite their differences in personality and his younger brother's asthma.Īs the heir to the Phantomhive family, he was trained by his aunt Franchise into fencing.

Ciel and his brother were born to Vincent and Rachel Phantomhive on December 14, 1875, being a few minutes older than his brother.
