Conversation so far:
when was janis joplin born?
Janis Lyn Joplin was born in Port Arthur, Texas, on (1943-01-19.
did he have any siblings?
She had two younger siblings, Michael and Laura.
what was her childhood like?
Her parents felt that Janis needed more attention than their other children.

Question: why did she need more attention than them?
Self-contained rewrite: Why did Janis Joplin need more attention than her siblings?