Julian Lennon stepsister, Kyoko Chan Cox. Paul McCartney wrote "Hey Jude" to console him over the divorce; originally called "Hey Jules", McCartney changed the name because he thought that "Jude" was an easier name to sing. After his parents' divorce, Julian had almost no contact with his father until the early 1970s when, at the request of his father's then short-term girlfriend, May Pang (Yoko Ono and Lennon had temporarily separated), he began to visit his father regularly. John Lennon bought him a Gibson Les Paul guitar and a drum machine for Christmas 1973, and encouraged his interest in music by showing
Julian Lennon "Sunday Morning" aired an in-depth interview with Lennon that covered much of his life, including his relationship with his parents and sibling, his career, and his experience growing up as the son of one of the world's most famous celebrities. Lennon's "Horizons" series is featured at the Emmanuel Fremin Gallery, NYC, 12 March – 2 May 2015. Shortly after the death of his father, Lennon began collecting Beatles memorabilia. In 2010, he published a book describing his collection, entitled: "Beatles Memorabilia: The Julian Lennon Collection". Lennon founded The White Feather Foundation in 2009. Its mission "embraces environmental and humanitarian issues