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What happened in 1830 for Robert Gascoyne-Cecil, 3rd Marquess of Salisbury?
In 1830, Robert Gascoyne-Cecil, 3rd Marquess of Salisbury, was born.
Where did Robert Gascoyne-Cecil, 3rd Marquess of Salisbury, attend school?
In 1840, Robert Gascoyne-Cecil, 3rd Marquess of Salisbury, went to Eton College; however, he left in 1845 because of intense bullying.
Why was Robert Gascoyne-Cecil, 3rd Marquess of Salisbury, bullied at Eton College?
What did Robert Gascoyne-Cecil, 3rd Marquess of Salisbury, do after college?
In December 1847 Robert Gascoyne-Cecil, 3rd Marquess of Salisbury, went to Christ Church, Oxford, where he received an honorary fourth class in Mathematics due to ill health.

Question: What health problems did he have?
Self-contained rewrite: What health problems did Robert Gascoyne-Cecil, 3rd Marquess of Salisbury, have?