Mick Jagger’s family is urgently searching for his granddaughter Assisi Jackson’s longtime partner, Alexander Key, who has been reported missing in the UK.
Jackson is the daughter of Jade Jagger, who is the daughter of Mick Jagger of The Rolling Stones. Assisi Jackson has been in a long-term relationship with chef Alexander Key for more than a decade, and the couple share two children, according to HELLO! Magazine.
According to Devon & Cornwall Police, Key was last seen on Friday afternoon. He has not been in contact with family since.

Per Page Six, Key — a chef who shares two children with Jackson, 33 — was last spotted at the Cobweb Inn, a pub in Boscastle. CCTV images show the 37-year-old sitting alone at the bar around 2:30 p.m. local time, though other customers were nearby.
Footage shows Key leaving the pub by himself roughly an hour later, walking away with his hands in his pockets.
At the time, he was wearing a red patterned jacket with a black hood, blue jeans, and white sneakers. He also had long, platinum-blond hair.
Authorities are asking anyone with information about Key’s whereabouts to come forward.
The Devon and Cornwall Police posted to Facebook to ask the public to help find Alexander Key.
The police posted: ”Police are growing increasingly concerned for the welfare of a 37 year old male who has been reported missing from the Boscastle area.
Alexander Key was last seen at 14:20 on the 24th Jan in the local pub.
Alexander is described as medium build, bright peroxide blonde hair and normally wearing bright coloured clothing
If you have seen Alexander, or know of his whereabouts please call police immediately on 999, quoting log number 847 24th Jan.”
On Monday, Jade Jagger, 54, shared a screenshot on Instagram of a police memo regarding Key, signaling that he is still missing. Assisi is the daughter of Jade Jagger, who shares her with film producer Piers Jackson. Jade, the daughter of Mick Jagger and Bianca Jagger.
While Assisi has largely kept her family life private, she previously opened up to HELLO! when announcing her first pregnancy in 2013. At the time, she said she had been with her partner for three years and was living in Cornwall.
Assisi and Alexander welcomed their first child, a daughter, in 2014, after she shared her pregnancy news exclusively with HELLO! months earlier. The couple later went on to have a second child together.
Mick Jagger has eight children from different relationships, along with five grandchildren and three great-grandchildren. Assisi has previously recalled that when she told her grandfather she was pregnant, he responded with lighthearted pride.



