Sayyiduna Abdullah bin Umar (may Allah be pleased with them both) says: May Allah Almighty curse whoever says that I emigrated before my father (that is, Sayyiduna Umar (may Allah be pleased with him)). (The fact is:) he sent me ahead with the baggage.
Al-Tabarani recorded it; its chain contains a narrator, Jabir al-Ju'fi, who is da'if (weak).