I genuinly can't tell how old Jeffrey and basically everyone is lol. He looks like he's in his twenties or thirties but they seem to have a lot of history together plus the eight additional years...
SPOILER
THEY ARE THE SAME AGE HELP?? THEY WENT TO THE ACADEMY TOGETHER?? WHY DOES HE LOOK SO YOUNG WHILE SHE HAS WRINKLES (because well she's 120 something old) Dude drunk a youth potion for sure
Charlotte Has Five Disciples