Or,Kenyan father wanting his baby to be born in Kenya. We are all guessing but some likely thoughts here.
Could be both. That could be his motive. But one still needs to be explained why she agreed to go—the fact that she was so young and so interested in “exotics” helps explain what otherwise might not make a lot of sense.
If Obama Sr. understood the citizenship issue on his own, he may have wanted an American son to have Kenyan citizenship. It certainly would help out the family.