Ahh... Wise of me to wait until more coffee got in the system :-)
Well, the translation of the letter could still be interesting if it refers to any regards from Carl Johans relatives.
If it's of any interest, Emma Kristina Östh, born 1866-10-27 in Hvena, Kalmar returns to Lönneberga parish, Kalmar county 1891-02-13.