Alexios Angelos Philanthropenos References Alexios Angelos Philanthropenos ruler of Epirus and Thessaly Ask Anything Homework Help Written by The Information Architects of Encyclopaedia Britannica The Information Architects maintain a master list of the topics included in the corpus of Encyclopædia Britannica, and create and manage the relationships between them. The Information Architects of Encyclopaedia Britannica Britannica AI Ask Anything Learn about this topic in these articles: Greece/ Thessaly and surrounding regionsThe caesar Alexios Angelos Philanthropenos took control, governing as a vassal of the Byzantine emperor John V, but in 1393 the conquest of Thessaly by Ottoman forces put an end to its independence. Read MoreThe caesar Alexios Angelos Philanthropenos took control, governing as a vassal of the Byzantine emperor John V, but in 1393 the conquest of Thessaly by Ottoman forces put an end to its independence. Read More