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The Kingdom of Jerusalem was always prone to dynastic conflict and backbiting. On the death of Baldwin II, Melisende was overshadowed by her husband Fulk, who proceeded to take over the Kingdom and annoy most of the Latin Easterners who resented his presence and authority, despite Melisende being the heir (and a much more competent ruler in her own right).

What if she was able to take power peacefully, rather than defeating Fulk in a palace coup a few years later?

Is it possible that with a few years of better rule in Jerusalem, the fall of Edessa could have been prevented? What kind of marriage would be arranged for Melisende so as to prevent a similar situation to OTL, in which Jerusalem was wracked with internal conflict in the 1130s rather than focusing on, say, taking Ascalon once and for all, or preventing the rise of Zengi?
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