It was in her blood--the worst form of insanity known.

At the birth of the child she died.

That will explain to you my exact meaning, and if you need corroboration you can go to Max Wyndham for it.

She has begun to develop symptoms of her mother's complaint.

All her peculiarities arise from incipient madness!" "Oh, no!" Olga whispered, with fingers straining against each other.
"It's not possible! It's not true!" "It is absolutely true," he said.