
The longtime partner of Mick Jagger’s granddaughter is believed dead after authorities discovered a body in the sea. Devon & Cornwall Police reported that 37-year-old Alexander Key, who shares two children with Assisi Jackson, was found deceased at Bude on Sunday, January 31. Officers said formal identification is still pending, but all signs point to Key, who had been missing since January 24.
According to Page Six, the news has cast a heavy shadow over Mick Jagger’s granddaughter, who has remained private amid the tragedy. Her mother, Jade Jagger, shared an initial police memo on Instagram but has not provided further updates. Assisi herself has stayed silent online. Family members and friends have asked the public to respect their privacy while they cope with the devastating loss.
Circumstances Surrounding the Incident
Police reported that Key was last seen walking near Boscastle Harbour toward the River Valency. CCTV footage shows him wearing a red patterned jacket under a blue anorak with the hood up, light-colored pants, and sneakers. Officers described Key as 5ft 8in tall, with a medium build and platinum-blond hair. He appeared alone when last seen.

Authorities emphasized that they are not treating the death as suspicious. An autopsy is scheduled to determine the cause. Devon & Cornwall Police and HM Coastguard conducted extensive searches in the area, working tirelessly to locate Key. His family expressed gratitude to everyone involved in the effort, highlighting the support of the community during a heartbreaking time.
Family Response and Privacy

Mick Jagger’s granddaughter has avoided public statements as the situation develops. Jade Jagger and the wider family continue to ask for privacy as they grieve. The tragedy is a reminder that even families in the public eye experience personal heartbreak. Grief affects everyone, regardless of fame or fortune.

Authorities continue confirming Key’s identity and completing the autopsy. Meanwhile, Mick Jagger’s granddaughter and her children face the difficult challenge of processing this sudden loss. The family’s focus remains on mourning and supporting one another, keeping their private grief shielded from public attention.
