Sean Ono Lennon Baby | First Grandchild of John Lennon

A New Addition to the Lennon Lineage

Sean Ono Lennon, the Grammy-winning musician and only child of John Lennon and Yoko Ono, confirmed the arrival of his first child on September 1, 2026. The fifty-year-old artist shared the news through social media, introducing his son to the public as Aurelius. The infant is the first grandchild of the legendary Beatle, who died in 1980.

Sean Lennon posted images showing him and his partner, musician and model Charlotte Kemp Muhl, holding their newborn. In one caption, the new father joked that the pair had created a human bean. The couple has maintained a long-standing personal and professional connection since they met in 2005 at the Coachella Valley Music and Arts Festival. They have worked together on various musical ventures for nearly two decades, including their band, The Ghost of a Saber Tooth Tiger.

Parenting in the Public Eye

Charlotte Kemp Muhl also shared her experience of early parenthood with her followers. She posted candid images of the family, noting the reality of sleep deprivation and the surreal nature of the transition. Muhl described her approach to childcare with characteristic humor, mentioning that she has been playing music by Aphex Twin and Stravinsky for the infant. She also requested advice on burping techniques while reflecting on the unexpected physical realities of a newborn.

This birth brings a new generation to the Lennon family tree. While Yoko Ono has two grandchildren from her daughter, Kyoko Chan Cox, this marks a distinct milestone for the Lennon name. The public response to the announcement reflects the enduring interest in the family legacy, even as Sean Lennon carves out his own path in the creative industry.

Connecting with a Complex Legacy

Sean Lennon spent recent years engaging with his father’s archives. He served as an executive producer for the 2025 documentary titled One to One: John & Yoko. This project pulled from archival footage and audio recordings to present a candid look at his parents during the early 1970s. The process provided him a way to bridge the gap left by his father's early death.

During an interview last April, he spoke about the nature of this discovery. He noted that because he grew up without his father, his primary knowledge of him came through existing media. The documentary process allowed him to hear unfiltered audio calls and private moments, which he described as gaining extra time with his father. Now, with the birth of Aurelius, the narrative of the Lennon family shifts from archival remembrance to the immediate, tangible experience of raising the next generation.