Christiane Tietz

I think they had five children.

Um, but his, uh, research assistant was a, a younger woman called Charlotte von, von Kirschbaum, uh, who also lived with them and, um, so th-there's a really superb scholarly biography of Karl Barth that was published by, um, Christiane Tietz, uh, T-I-E-T-Z, published by Oxford University Press.

Uh, that, that is like the stellar premier Barth biography.

So if you want to, um, read more about the, the Barth family's extremely complex interpersonal relationship between, uh, Karl and, and these two, uh, women, that's really the go-to source.