Ласси
This was exemplified in 1172 by Henry II's granting of the Irish kingdom of Meath to Hugh I de Lacy to counterbalance Strongbow's domain in Leinster. De Lacy however had to seize it for himself, though his grant was not recongised by Tiernan O'Rourke, king of Breifne, and after stalled negotiations which saw an attempt to kill de Lacy, O'Rourke was killed.