Mama Obama's place of birth has not been called into question as she was an American citizen. Where is a link or your evidence of that? There is not one document anywhere proving that. It is a assumption.
The confusion about Stanley Ann’s place of birth has arisen because two different places have been given for her place of birth depending on what you read. She had been said to have been born in either Ft Leavenworth KS or Witchita KS.