Thoros of Marash, also known as Thatoul (late 11th – early 12th century) was the father of

Arda of Armenia Arda ( hy, Արդա; died after 1116) was the queen of Jerusalem as the 2nd spouse of King Baldwin I of Jerusalem. She was the first Queen consort of the Kingdom of Jerusalem, as Baldwin's brother and predecessor Godfrey of Bouillon was unmarried. ...

(died after 1116), the first queen consort of the

Kingdom of Jerusalem The Kingdom of Jerusalem ( la, Regnum Hierosolymitanum; fro, Roiaume de Jherusalem), officially known as the Latin Kingdom of Jerusalem or the Frankish Kingdom of Palestine,Example (title of works): was a Crusader state that was establishe ...

. Thoros' allowing

Baldwin I of Jerusalem Baldwin I, also known as Baldwin of Boulogne (1060s – 2April 1118), was the first count of Edessa from 1098 to 1100, and king of Jerusalem from 1100 to his death in 1118. He was the youngest son of Eustace II, Count of Boulogne, and Ida of Lorr ...

, who was then Count of

Edessa Edessa (; grc, Ἔδεσσα, Édessa) was an ancient city (''polis'') in Upper Mesopotamia, founded during the Hellenistic period by King Seleucus I Nicator (), founder of the Seleucid Empire. It later became capital of the Kingdom of Osroene ...

(1098–1100), to marry his daughter gave Baldwin a legitimate claim to Edessa since it was within the traditional area of Armenia. Thoros failed to pay the full dowry he had pledged. Also with Baldwin becoming King of Jerusalem, he no longer felt a need to have alliances with the Armenians. Baldwin had his marriage to Arda annulled. About the same time the forces of Edessa drove Thoros from his domain. He was then forced to flee to

Constantinople la, Constantinopolis ota, قسطنطينيه , alternate_name = Byzantion (earlier Greek name), Nova Roma ("New Rome"), Miklagard/Miklagarth (Old Norse), Tsargrad ( Slavic), Qustantiniya (Arabic), Basileuousa ("Queen of Cities"), Megalopolis (" ...

and became part of an anti-Crusader faction in Constantinople advocating that the Byzantine Empire reassert its traditional hold on Armenian territories that were now held by the

Crusader States The Crusader States, also known as Outremer, were four Catholic realms in the Middle East that lasted from 1098 to 1291. These feudal polities were created by the Latin Catholic leaders of the First Crusade through conquest and political in ...

References

Stephen Runciman, ''The First Crusade'', p. 110another source on Thoros and Baldwin
Armenian nobility Year of birth missing Year of death missing {{Armenia-noble-stub ru:Торос Эдесский