After being married, she gave birth and went to Washington without him. I have never seen a mention that he went to college there. So many unanswered questions and “facts” that are dubious at best. I don’t think that Obmama Grandpa had to worry about his bloodline being sullied. My gut says Barack Sr. isn’t the baby daddy.
He did have a speech to the effect of “God's Judgement of White America (The Chickens Come Home to Roost)”