Isn't it usually the intestines that start to bulge through the muscles, hence the vomiting?
Well, let's see. To run Die Rosen, Madge has Marie Pfeiffen (general cook and dogsbody), Andre-the-chauffeur-cum-gardener, Rosa the nursery maid - anyone else? Die Rosen is a big house, with magically expanding rooms. Isn't there another nursery maid as well, at least in New when Sybil gets kidnapped? Mind you, by that time she has David, Sybil, Rix, Peggy, Noel, Bride and Primula Mary in the nursery, and Joey is at least supposed to be at home to help instead of going to Belsornia. But anecdotally, all they seem to do is read the children stories, play with them and put them to bed. They certainly never seem to do any cooking or cleaning. They do the flowers in the salon, and I think they might do a little light gardening occasionally. Robin washes her own gloves at the beginning of Exile.
Later on, when they constantly bemoan the servant problem, despite the fact that Anna has contrived to get herself smuggled out of her country and found her beloved Jo whom she will serve forever more, Jo, at least in the beginning of her married life, seems to do a bit of housework, feeding the Triplets their bread and milk, doing a little cookery, dusting etc. There's the scene in Exile where Jo turns up at Madge's and Madge is baking a cake. I find it interesting that in Jo to the Rescue, the 4 adults think it is fun to do the housework for 11 children plus 4 adults, although they promptly engage Debby to scrub the floors for them. Um, in Gay From China Jo and Robin are being quite domestic at the beginning - aren't they cleaning the silver or some such? Then they get their own afternoon tea together with apricot jam. No idea who normally does the washing of clothes etc. Anna, probably.