Conversation so far:
How many times was Davy Crockett married?
Three times.
How many children did Davy Crockett have?
David had three children with his first wife.
Did he have others?
David and Elizabeth's son, Robert Patton, was born September 16, 1816. Daughter Rebecca Elvira was born December 25, 1818. Daughter Matilda was born August 2, 1821.
Did Davy Crockett have any girls?
Daughter Matilda was born August 2, 1821
Was there anything noteworthy about any of Davy Crockett's children?
Davy Crockett's first child, John Wesley Crockett, who became a United States Congressman, was born July 10, 1807.

Question: Was Polly his only wife?
Self-contained rewrite: Was Polly Davy Crockett's only wife?