Kaykaus II
…depose him. After the plot was uncovered, Kaykaus was imprisoned in Ainos, while his family was sent to Berroia. Kaykaus' brother Kayqubad appealed to Berke Khan and his nephew Nogai of the Golden Horde. The Mongols, Bulgarians and Tatars jointly invaded Thrace in the winter of 1264/1265. Michael's army was…