Translation of the Queen's HUD:
Queen's name: Mirelia Q Melromarc
Mein's name: Mein Sopha
Note: She pronounced her name "Mein Sophia" in the first episode, so there was likely a typo in her name here.
Font translation site, if anyone is interested. The person who made it didn't find Q in the text they used early in the series to generate the transliteration, and haven't updated based on this episode, so that letter doesn't have a translated form yet.