Complex sentence: Rerir died shortly after this but his wife was pregnant for six years, until she had enough, and commanded that the child be delivered with a caesarian, an operation that in those days cost the life of the mother.
Split into simpler sentences: Rerir died shortly after this but his wife was pregnant for six years, until she had had enough. She commanded that the child be delivered with a caesarian, an operation that in those days cost the life of the mother.