She married her step-brother?
No she was a Bowman and the Jarretts were friends of the family. Vernon’s son was who she married and became Valerie Jarrett
It was during this time she became active in politics in Chicago during Harold Washington’s tenure as Mayor. I lived there during that time and it was a pretty corrupt city to begin with and it sure did not get better under his reign.
This is where the whole connection to BHO started and she ran things at the White House when he was in office. No one got to him unless it was through her
Period