| Between 1156 and 1166 the struggle for political | | | | number of Norman-Welsh knights whose names |
| power in Ireland lay between Murtough | | | | were to become part of Irish history - FitzHenry, |
| MacLochalainn of Ailech in the north and Rory | | | | Carew, Fitzgerald and Barry as were those of the |
| O'Connor, king of Connaught. Dermot | | | | Flemish princes who also allied with Dermot - |
| MacMurrough allied with MacLochalinn while Tiernan | | | | Prendergast, Fleming, Roche, Cheevers and |
| O'Rourke of Breifne supported O'Connor. | | | | Synott. MacMurrough arrived back in Ireland in |
| O'Rourke was determined to destroy | | | | 1167 with his new allies, defeating O'Rourke after |
| MacMurrough because his wife Dervorgilla had | | | | a brief battle. The rest of the forces Dermot had |
| been abducted by MacMurrough with Norman | | | | mustered arrived in 1169, O'Connor and O'Rourke |
| accounts stating that it was she who arranged | | | | sued for peace once O'Connor was recognised as |
| the abduction. In 1166 O'Rourke had his | | | | high king of Ireland. However, Strongbow arrived |
| opportunity, MacMurrough's supporters and allies | | | | with an army reported to be near 3,000 strong, |
| were quickly fading and Mac Lochlainn was dead. | | | | sweeping through the kingdom of Leinster. |
| O'Rourke's armies massed on his frontier and the | | | | MacMurrough died in May 1171, leaving Strongbow |
| Norsemen of Wexford were preparing to attack | | | | successor to the turbulent kingdom. Strongbow |
| his rear, when Ferns was captured MacMurrough | | | | prevailed over a series of campaigns that |
| departed to the Continent in search of King Henry | | | | established the Norman supremacy over both the |
| II of England to persuade him to become his ally. | | | | Norse and Gaelic Irish. However, Henry II feared |
| Henry granted MacMurrough an open letter in | | | | Strongbow establishing a powerful kingdom on |
| which he invited his subjects, English, Norman, | | | | England's flank. He arrived in late 1171, the |
| Welsh and Scot's to rally to Dermot's cause. He | | | | Normans, Irish and Norse all paid homage to him; |
| gained the support of one of the great Norman | | | | the bishops assembled at Cashel and made |
| leaders in Wales, Richard FitzGilbert de Clare | | | | submission to Henry. By the Treaty of Windsor |
| better known as Strongbow. Strongbow agreed | | | | 1175 Rory O'Connor pledged himself to recognise |
| to lead a force to Ireland and restore Dermot to | | | | Henry II as overlord of Ireland. |
| power, but on the condition that Dermot give him | | | | Russell Shortt is a travel consultant with Exploring |
| his eldest daughter, Aoife, in marriage and the | | | | Ireland, the leading specialists in customised, |
| right of succession to the kingdom of Leinster. | | | | private escorted tours, escorted coach tours and |
| MacMurrough also secured the support of a | | | | independent self drive tours of Ireland. |