Conversation so far:
When did T. S. Eliot get married?
26 June 1915
Who did T. S. Eliot marry?
Vivienne Haigh-Wood
Where did T. S. Eliot meet Vivienne?
Thayer introduced Eliot to Vivienne
Did T. S. Eliot and Vivienne Haigh-Wood have a happy marriage?
The marriage was markedly unhappy, in part because of Vivienne's health problems.

Question: Did they have any children?
Self-contained rewrite: Did T. S. Eliot and Vivienne Haigh-Wood have any children?