Ms Zilis had earlier told some of her colleagues that she was not involved romantically with Musk and conceived the children with him through in vitro fertilization (IVF).

Elon Musk met PM Narendra Modi at Blair House in Washington on Thursday. He was accompanied by his three children and partner Shivon Zilis, who is also the Director of Operations and Special Projects at Neuralink.

Zilis has an Indian connection as her mother is a Punjabi and her father is a Canadian. She was born in Markham, Ontario and attended Yale University.