Conversation so far:
Where did Theodore Roosevelt grow up?
at East 20th Street in New York City.
did he have siblings?
He was the second of four children born.
Are there any other interesting aspects about this article?
He repeatedly experienced sudden nighttime asthma attacks that caused the experience of being smothered to death.
Did he marrry?
CANNOTANSWER.
Does he have kids?
CANNOTANSWER.
Did his father approve of hi studies?
Roosevelt's father significantly influenced him.
In which ways?
He combined strength and courage with gentleness, tenderness, and great unselfishness.

Question: Who was his father?
Self-contained rewrite: Who was Theodore Roosevelt's father?