 For the next fifteen years or so, Amlaíb and Ímar used Dublin as their base of operations for a series of campaigns, which may have involved Vikings from both factions.To avoid the inconvenience of having to wage wars on several fronts, they formed alliances with several Irish leaders.Amlaíb may have married daughters of Áed Findliath King of Ailech, of Cináed mac Conaing the King of Brega, and of Cerball mac Dúnlainge the King of Osraige.