Delia, anything is possible. They did say they left in a boat which was only 'half-full'. Since the aft port boats were less well-filled than the starboard ones, I have a feeling they may have been in 10 or 12. As for Karolina Byström, Ruth Becker in No 11 mentioned an 'elderly German lady' next to her. I wonder whether this might have been Mrs Byström? All Swedes with a higher education had been taught German at school as the first foreign language back then. But 'elderly'...perhaps to a twelve-year-old girl, a lady of 40 might have been considered 'elderly.' I don't know. At any rate, I have never seen an interview with her in Swedish, regrettably.
Christian last visited this board close to three years ago. (This information is available by clicking on his name in the message above yours.) Whether anyone else can answer your question I can't say, but it's not likely that Christian will respond.