Conversation so far:
When did Mihail Sadoveanu begin literary?
In 1896, at age sixteen, Mihail Sadoveanu gave thought to writing a monograph on Moldavian Prince Stephen the Great, but his first literary attempts date from the following year.
Was Mihail Sadoveanu successful in writing the monograph?
In 1897 a sketch story, titled Domnișoara M din Fălticeni and signed Mihai din Pașcani, was successfully submitted by Mihail Sadoveanu for publishing to the Bucharest-based satirical magazine Dracu.
When did Mihail Sadoveanu marry?
In 1901, Mihail Sadoveanu married.
Who did Mihail Sadoveanu marry in 1901?
Mihail Sadoveanu married Ecaterina Bâlu.
Where did Mihail Sadoveanu and Ecaterina Bâlu marry?

Question: Did the couple have any children?
Self-contained rewrite: Did Mihail Sadoveanu and Ecaterina Bâlu have any children?