Lady Merle, and some lore about her

Source: https://twitter.com/vanishlily/status/1657283411978104839

Merle once joined the Siege of Tournai. But she didn't want to repeatedly witness people drawn into conflicts of the nobility and wished to find a neutral position that would allow her to help people without getting involved into the wars. Eventually, she joined Ordo Mediare.

Source: https://twitter.com/vanishlily/status/1657283413907509255