Hazrat Zubair (ra) participated in both migrations to Abyssinia. When Hazrat Zubair (ra) migrated to Medina, he stayed with Hazrat Mundhir bin Muhammad (ra).
(al-Tabaqaat-ul-Kubra li ibn Sa‘d, Vol. 3, p. 75, Zubair (ra) bin al-Awwam, Dar-ul-Kutub al-Ilmiyyah, Beirut, 1990)