It wasnarrated that 'Urwah said:
"Ibn 'Umar was asked: 'In whichmonth did the Messenger of Allah (ﷺ) perform 'Umrah?' He said:'InRajab.' But 'Aishah said: "The Messenger of Allah (ﷺ)neverperformed 'Umrah during Rajab, and he never performed 'Umrah,but he(meaning Ibn 'Umar) was with him." (DE)
English reference (DE): Vol. 4, Book 25, Hadith 2998 (DE)
Arabic reference (DE): Book 25, Hadith 3112 (DE)