Stay up to date with notifications from The Independent Notifications can be managed in browser preferences. All News Sport Culture Lifestyle Elon Musk announces exit from Trump's government Shivon Zilis, mother of four of Elon Musk ’s children, testified in court about her complex relationship with the tech billionaire during his lawsuit against OpenAI co-founders. Zilis, a former OpenAI board member, revealed a “one-off” romantic encounter with Musk and an initial “platonic sperm donor ” arrangement, insisting her personal life did not influence her board judgment. She disclosed her relationship with Musk to the OpenAI board only after Business Insider informed her of an impending story, having previously agreed on confidentiality due to security concerns. Greg Brockman, an OpenAI co-founder, testified that Zilis initially described her pregnancy with twins as 'platonic' and that some board members later pushed for her removal due to the conflict of interest.…