David Steinberg via Powerline has this story: https://www.powerlineblog.com/archives/2019/07/david-steinberg-tying-up-loose-threads-in-the-curious-case.php?utm_source=email&utm_medium=sw&utm_campaign=sw
In the service of balance, Will Sommer, writing for the Daily Beast, says it's not true: https://www.thedailybeast.com/how-the-ilhan-omar-marriage-smear-went-from-an-anonymous-post-on-an-obscure-forum-to-being-embraced-by-trump