Jaina Proudmoore (alternate universe)

In an alternate timeline where Thrall died as an infant and Aedelas Blackmoore conquered Kingdom of Lordaeron, Jaina Proudmoore and Arthas Menethil fled to Stormwind and married. They had a sole son, Prince Uther Menethil.

Speculation
After the wedding, she may have taken the name Menethil. As such she may have become a queen.