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.
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.
What health problems did Robert Gascoyne-Cecil, 3rd Marquess of Salisbury, have?
Robert Gascoyne-Cecil, 3rd Marquess of Salisbury's doctor advised him to travel for his health.
Where did Robert Gascoyne-Cecil, 3rd Marquess of Salisbury, travel to after his doctor advised him to travel for his health?
In July 1851 to May 1853 Robert Gascoyne-Cecil, 3rd Marquess of Salisbury, travelled through Cape Colony, Australia, including Tasmania, and New Zealand.
Did Robert Gascoyne-Cecil, 3rd Marquess of Salisbury have any friends or influences when he was young?
Robert Gascoyne-Cecil, 3rd Marquess of Salisbury, had a miserable childhood, with few friends.

Question: Did he have brothers or sisters?
Self-contained rewrite: Did Robert Gascoyne-Cecil, 3rd Marquess of Salisbury, have brothers or sisters?