Answer
The mother of Julian Lennon is Cynthia Lennon, the first wife of John Lennon. Cynthia and John met at Liverpool College of Art and were married from 1962 to 1968. Julian was born on April 8, 1963, as the first child of the couple. After the couple divorced, Cynthia maintained a close relationship with her son, while John remarried Yoko Ono in 1969.