Conversation so far:
What happened in 1830 for Robert Gascoyne-Cecil, 3rd Marquess of Salisbury?
In 1830, Robert Gascoyne-Cecil, 3rd Marquess of Salisbury, was born.

Question: Where did he attend school?
Self-contained rewrite: Where did Robert Gascoyne-Cecil, 3rd Marquess of Salisbury, attend school?