His nephew Raymond was Strongbow's second-in-command and had the chief share both in the capture of Waterford and in the successful assault on Dublin in 1171. Lord Lanstephan and his sons the FitzMaurices also fought in this battle.
Strongbow's relative Raymond held a key position as his second-in-command, contributing to both the conquest of Waterford and the victory over Dublin in 1171. The Lord of Lanstephan and his sons, the FitzMaurices, also took part in this conflict.