Conversation so far:
Was Melissa Gilbert ever married?
Melissa Gilbert was set up with actor Bo Brinkman, a cousin of actors Randy Quaid and Dennis Quaid. The couple married.
When did Melissa Gilbert and Bo Brinkman marry?
Melissa Gilbert and Bo Brinkman married on February 22, 1988, only seven weeks after her relationship with Rob Lowe ended.
Did Melissa Gilbert and Bo Brinkman have any children?
Melissa Gilbert became pregnant months later. On May 1, 1989, she gave birth to son Dakota Paul Brinkman.

Question: Was he their only child?
Self-contained rewrite: Was son Dakota Paul Brinkman Melissa Gilbert's only child?