(Can't insert edit in title HUSBAND a jw?)
I just read that Serena said both of them were jws. But this wouldn't be the first time means 1) supports her beliefs and does them 2) supports her beliefs and doesn't interfered with But no where does it say he is a baptized witness. Serena used to say she was a jw but she was not baptized until recently.
"Williams and Ohanian are Jehovah's Witnesses and the former U.S. Open champion said at the time: "Olympia doesn't celebrate birthdays. We're Jehovah's Witnesses, so we don't do that." https://www.newsweek.com/what-serena-williams-said-about-being-jehovahs-witness-1773017