Conversation so far:
When was Welsh social reformer Robert Owen born?
Robert Owen was born on 14 May 1771.
Where was Welsh social reformer Robert Owen born?
Robert Owen was born in Newtown, a small market town in Montgomeryshire, Wales.
Who were Welsh social reformer Robert Owen's parents?
Robert Owen was born to Anne and Robert Owen.

Question: did he have siblings?
Self-contained rewrite: Did Welsh social reformer Robert Owen have siblings?