Everything we know about the persistent but unproven rumors that Rep. Ilhan Omar married her brother

Congresswoman Ilhan Omar, D-Minn., speaks Tuesday, April 20, 2021, in Brooklyn Center, Minn., during a news conference at the site of the fatal shooting of Daunte Wright by a police officer during a traffic stopAP Photo/Morry Gash
Rep. Lauren Boebert revived unproven rumors sthat Rep. Ilhan Omar married her brother to commit immigration fraud. 
Conservative websites have claimed for years that Omar's second husband was really her brother. 
No evidence — like a birth certificate o